Home / 2,626.60-3,945.28-2,539.12

Finding the Fourth Proportional to 2,626.60, 3,945.28 and 2,539.12

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Solution

The fourth proportional to 2,626.60, 3,945.28 and 2,539.12 is: 3,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.60 : 3,945.28 = 2,539.12 : x
  2. Step 2: Convert to fraction form
    2,626.60/3,945.28 = 2,539.12/x
  3. Step 3: Cross multiply
    2,626.60x = 3,945.28 × 2,539.12
  4. Step 4: Simplify right side
    2,626.60x = 10,017,539.35
  5. Step 5: Solve for x
    x = 10,017,539.35/2,626.60
  6. Step 6: Final answer
    x = 3,813.88

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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.