Home / 1,921.44-2,652.24-1,135.38

Finding the Fourth Proportional to 1,921.44, 2,652.24 and 1,135.38

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Solution

The fourth proportional to 1,921.44, 2,652.24 and 1,135.38 is: 1,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.44 : 2,652.24 = 1,135.38 : x
  2. Step 2: Convert to fraction form
    1,921.44/2,652.24 = 1,135.38/x
  3. Step 3: Cross multiply
    1,921.44x = 2,652.24 × 1,135.38
  4. Step 4: Simplify right side
    1,921.44x = 3,011,300.25
  5. Step 5: Solve for x
    x = 3,011,300.25/1,921.44
  6. Step 6: Final answer
    x = 1,567.21

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.