Home / 1,154.48-1,731.81-414.25

Finding the Fourth Proportional to 1,154.48, 1,731.81 and 414.25

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Solution

The fourth proportional to 1,154.48, 1,731.81 and 414.25 is: 621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.48 : 1,731.81 = 414.25 : x
  2. Step 2: Convert to fraction form
    1,154.48/1,731.81 = 414.25/x
  3. Step 3: Cross multiply
    1,154.48x = 1,731.81 × 414.25
  4. Step 4: Simplify right side
    1,154.48x = 717,402.29
  5. Step 5: Solve for x
    x = 717,402.29/1,154.48
  6. Step 6: Final answer
    x = 621.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.