Home / 1,504.31-2,073.47-1,006.77

Finding the Fourth Proportional to 1,504.31, 2,073.47 and 1,006.77

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Solution

The fourth proportional to 1,504.31, 2,073.47 and 1,006.77 is: 1,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.31 : 2,073.47 = 1,006.77 : x
  2. Step 2: Convert to fraction form
    1,504.31/2,073.47 = 1,006.77/x
  3. Step 3: Cross multiply
    1,504.31x = 2,073.47 × 1,006.77
  4. Step 4: Simplify right side
    1,504.31x = 2,087,507.39
  5. Step 5: Solve for x
    x = 2,087,507.39/1,504.31
  6. Step 6: Final answer
    x = 1,387.68

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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.