Home / 1,031.56-1,547.34-301.14

Finding the Fourth Proportional to 1,031.56, 1,547.34 and 301.14

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Solution

The fourth proportional to 1,031.56, 1,547.34 and 301.14 is: 451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.56 : 1,547.34 = 301.14 : x
  2. Step 2: Convert to fraction form
    1,031.56/1,547.34 = 301.14/x
  3. Step 3: Cross multiply
    1,031.56x = 1,547.34 × 301.14
  4. Step 4: Simplify right side
    1,031.56x = 465,965.97
  5. Step 5: Solve for x
    x = 465,965.97/1,031.56
  6. Step 6: Final answer
    x = 451.71

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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.