Home / 1,765.78-2,435.99-1,136.19

Finding the Fourth Proportional to 1,765.78, 2,435.99 and 1,136.19

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Solution

The fourth proportional to 1,765.78, 2,435.99 and 1,136.19 is: 1,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.78 : 2,435.99 = 1,136.19 : x
  2. Step 2: Convert to fraction form
    1,765.78/2,435.99 = 1,136.19/x
  3. Step 3: Cross multiply
    1,765.78x = 2,435.99 × 1,136.19
  4. Step 4: Simplify right side
    1,765.78x = 2,767,747.48
  5. Step 5: Solve for x
    x = 2,767,747.48/1,765.78
  6. Step 6: Final answer
    x = 1,567.44

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.