Home / 1,465.28-2,195.48-1,031.68

Finding the Fourth Proportional to 1,465.28, 2,195.48 and 1,031.68

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Solution

The fourth proportional to 1,465.28, 2,195.48 and 1,031.68 is: 1,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.28 : 2,195.48 = 1,031.68 : x
  2. Step 2: Convert to fraction form
    1,465.28/2,195.48 = 1,031.68/x
  3. Step 3: Cross multiply
    1,465.28x = 2,195.48 × 1,031.68
  4. Step 4: Simplify right side
    1,465.28x = 2,265,032.81
  5. Step 5: Solve for x
    x = 2,265,032.81/1,465.28
  6. Step 6: Final answer
    x = 1,545.80

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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.