Home / 2,433.60-3,358.62-1,385.88

Finding the Fourth Proportional to 2,433.60, 3,358.62 and 1,385.88

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Solution

The fourth proportional to 2,433.60, 3,358.62 and 1,385.88 is: 1,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.60 : 3,358.62 = 1,385.88 : x
  2. Step 2: Convert to fraction form
    2,433.60/3,358.62 = 1,385.88/x
  3. Step 3: Cross multiply
    2,433.60x = 3,358.62 × 1,385.88
  4. Step 4: Simplify right side
    2,433.60x = 4,654,644.29
  5. Step 5: Solve for x
    x = 4,654,644.29/2,433.60
  6. Step 6: Final answer
    x = 1,912.66

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1.5x scale

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.