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Finding the Fourth Proportional to 2,452.60, 3,678.90 and 603.70

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Solution

The fourth proportional to 2,452.60, 3,678.90 and 603.70 is: 905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.60 : 3,678.90 = 603.70 : x
  2. Step 2: Convert to fraction form
    2,452.60/3,678.90 = 603.70/x
  3. Step 3: Cross multiply
    2,452.60x = 3,678.90 × 603.70
  4. Step 4: Simplify right side
    2,452.60x = 2,220,951.93
  5. Step 5: Solve for x
    x = 2,220,951.93/2,452.60
  6. Step 6: Final answer
    x = 905.55

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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.