Home / 1,032.18-1,421.46-966.30

Finding the Fourth Proportional to 1,032.18, 1,421.46 and 966.30

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Solution

The fourth proportional to 1,032.18, 1,421.46 and 966.30 is: 1,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.18 : 1,421.46 = 966.30 : x
  2. Step 2: Convert to fraction form
    1,032.18/1,421.46 = 966.30/x
  3. Step 3: Cross multiply
    1,032.18x = 1,421.46 × 966.30
  4. Step 4: Simplify right side
    1,032.18x = 1,373,556.80
  5. Step 5: Solve for x
    x = 1,373,556.80/1,032.18
  6. Step 6: Final answer
    x = 1,330.73

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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.