Home / 1,031.60-1,547.64-301.19

Finding the Fourth Proportional to 1,031.60, 1,547.64 and 301.19

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Solution

The fourth proportional to 1,031.60, 1,547.64 and 301.19 is: 451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.60 : 1,547.64 = 301.19 : x
  2. Step 2: Convert to fraction form
    1,031.60/1,547.64 = 301.19/x
  3. Step 3: Cross multiply
    1,031.60x = 1,547.64 × 301.19
  4. Step 4: Simplify right side
    1,031.60x = 466,133.69
  5. Step 5: Solve for x
    x = 466,133.69/1,031.60
  6. Step 6: Final answer
    x = 451.86

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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.