Home / 3,508.40-5,263.68-1,560.32

Finding the Fourth Proportional to 3,508.40, 5,263.68 and 1,560.32

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Solution

The fourth proportional to 3,508.40, 5,263.68 and 1,560.32 is: 2,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.40 : 5,263.68 = 1,560.32 : x
  2. Step 2: Convert to fraction form
    3,508.40/5,263.68 = 1,560.32/x
  3. Step 3: Cross multiply
    3,508.40x = 5,263.68 × 1,560.32
  4. Step 4: Simplify right side
    3,508.40x = 8,213,025.18
  5. Step 5: Solve for x
    x = 8,213,025.18/3,508.40
  6. Step 6: Final answer
    x = 2,340.96

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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.