Home / 1,475.31-2,034.59-1,227.45

Finding the Fourth Proportional to 1,475.31, 2,034.59 and 1,227.45

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Solution

The fourth proportional to 1,475.31, 2,034.59 and 1,227.45 is: 1,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.31 : 2,034.59 = 1,227.45 : x
  2. Step 2: Convert to fraction form
    1,475.31/2,034.59 = 1,227.45/x
  3. Step 3: Cross multiply
    1,475.31x = 2,034.59 × 1,227.45
  4. Step 4: Simplify right side
    1,475.31x = 2,497,350.39
  5. Step 5: Solve for x
    x = 2,497,350.39/1,475.31
  6. Step 6: Final answer
    x = 1,692.77

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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.