Home / 1,031.41-1,539.08-1,006.71

Finding the Fourth Proportional to 1,031.41, 1,539.08 and 1,006.71

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Solution

The fourth proportional to 1,031.41, 1,539.08 and 1,006.71 is: 1,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.41 : 1,539.08 = 1,006.71 : x
  2. Step 2: Convert to fraction form
    1,031.41/1,539.08 = 1,006.71/x
  3. Step 3: Cross multiply
    1,031.41x = 1,539.08 × 1,006.71
  4. Step 4: Simplify right side
    1,031.41x = 1,549,407.23
  5. Step 5: Solve for x
    x = 1,549,407.23/1,031.41
  6. Step 6: Final answer
    x = 1,502.22

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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.