Home / 1,494.20-2,224.53-1,487

Finding the Fourth Proportional to 1,494.20, 2,224.53 and 1,487

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Solution

The fourth proportional to 1,494.20, 2,224.53 and 1,487 is: 2,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.20 : 2,224.53 = 1,487 : x
  2. Step 2: Convert to fraction form
    1,494.20/2,224.53 = 1,487/x
  3. Step 3: Cross multiply
    1,494.20x = 2,224.53 × 1,487
  4. Step 4: Simplify right side
    1,494.20x = 3,307,876.11
  5. Step 5: Solve for x
    x = 3,307,876.11/1,494.20
  6. Step 6: Final answer
    x = 2,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.