Home / 3,319.60-4,577.52-2,375.20

Finding the Fourth Proportional to 3,319.60, 4,577.52 and 2,375.20

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Solution

The fourth proportional to 3,319.60, 4,577.52 and 2,375.20 is: 3,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.60 : 4,577.52 = 2,375.20 : x
  2. Step 2: Convert to fraction form
    3,319.60/4,577.52 = 2,375.20/x
  3. Step 3: Cross multiply
    3,319.60x = 4,577.52 × 2,375.20
  4. Step 4: Simplify right side
    3,319.60x = 10,872,525.50
  5. Step 5: Solve for x
    x = 10,872,525.50/3,319.60
  6. Step 6: Final answer
    x = 3,275.25

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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.