Home / 1,524.55-2,286.60-429.04

Finding the Fourth Proportional to 1,524.55, 2,286.60 and 429.04

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Solution

The fourth proportional to 1,524.55, 2,286.60 and 429.04 is: 643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.55 : 2,286.60 = 429.04 : x
  2. Step 2: Convert to fraction form
    1,524.55/2,286.60 = 429.04/x
  3. Step 3: Cross multiply
    1,524.55x = 2,286.60 × 429.04
  4. Step 4: Simplify right side
    1,524.55x = 981,042.86
  5. Step 5: Solve for x
    x = 981,042.86/1,524.55
  6. Step 6: Final answer
    x = 643.50

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1.5x scale

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.