Home / 1,472.77-2,213.21-1,418.10

Finding the Fourth Proportional to 1,472.77, 2,213.21 and 1,418.10

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Solution

The fourth proportional to 1,472.77, 2,213.21 and 1,418.10 is: 2,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.77 : 2,213.21 = 1,418.10 : x
  2. Step 2: Convert to fraction form
    1,472.77/2,213.21 = 1,418.10/x
  3. Step 3: Cross multiply
    1,472.77x = 2,213.21 × 1,418.10
  4. Step 4: Simplify right side
    1,472.77x = 3,138,553.10
  5. Step 5: Solve for x
    x = 3,138,553.10/1,472.77
  6. Step 6: Final answer
    x = 2,131.05

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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.