Home / 2,679.60-3,697.46-1,500.90

Finding the Fourth Proportional to 2,679.60, 3,697.46 and 1,500.90

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Solution

The fourth proportional to 2,679.60, 3,697.46 and 1,500.90 is: 2,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.60 : 3,697.46 = 1,500.90 : x
  2. Step 2: Convert to fraction form
    2,679.60/3,697.46 = 1,500.90/x
  3. Step 3: Cross multiply
    2,679.60x = 3,697.46 × 1,500.90
  4. Step 4: Simplify right side
    2,679.60x = 5,549,517.71
  5. Step 5: Solve for x
    x = 5,549,517.71/2,679.60
  6. Step 6: Final answer
    x = 2,071.02

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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.