Home / 2,601.60-3,902.40-2,480.10

Finding the Fourth Proportional to 2,601.60, 3,902.40 and 2,480.10

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Solution

The fourth proportional to 2,601.60, 3,902.40 and 2,480.10 is: 3,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.60 : 3,902.40 = 2,480.10 : x
  2. Step 2: Convert to fraction form
    2,601.60/3,902.40 = 2,480.10/x
  3. Step 3: Cross multiply
    2,601.60x = 3,902.40 × 2,480.10
  4. Step 4: Simplify right side
    2,601.60x = 9,678,342.24
  5. Step 5: Solve for x
    x = 9,678,342.24/2,601.60
  6. Step 6: Final answer
    x = 3,720.15

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Similar ratio
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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.