Home / 1,562.79-2,155.84-1,136.94

Finding the Fourth Proportional to 1,562.79, 2,155.84 and 1,136.94

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Solution

The fourth proportional to 1,562.79, 2,155.84 and 1,136.94 is: 1,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.79 : 2,155.84 = 1,136.94 : x
  2. Step 2: Convert to fraction form
    1,562.79/2,155.84 = 1,136.94/x
  3. Step 3: Cross multiply
    1,562.79x = 2,155.84 × 1,136.94
  4. Step 4: Simplify right side
    1,562.79x = 2,451,063.57
  5. Step 5: Solve for x
    x = 2,451,063.57/1,562.79
  6. Step 6: Final answer
    x = 1,568.39

Related Problems

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Half scale
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Double scale
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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.