Home / 3,560.60-5,330.10-2,689.40

Finding the Fourth Proportional to 3,560.60, 5,330.10 and 2,689.40

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Solution

The fourth proportional to 3,560.60, 5,330.10 and 2,689.40 is: 4,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.60 : 5,330.10 = 2,689.40 : x
  2. Step 2: Convert to fraction form
    3,560.60/5,330.10 = 2,689.40/x
  3. Step 3: Cross multiply
    3,560.60x = 5,330.10 × 2,689.40
  4. Step 4: Simplify right side
    3,560.60x = 14,334,770.94
  5. Step 5: Solve for x
    x = 14,334,770.94/3,560.60
  6. Step 6: Final answer
    x = 4,025.94

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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.