Home / 3,200.50-4,782.32-2,445.87

Finding the Fourth Proportional to 3,200.50, 4,782.32 and 2,445.87

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Solution

The fourth proportional to 3,200.50, 4,782.32 and 2,445.87 is: 3,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.50 : 4,782.32 = 2,445.87 : x
  2. Step 2: Convert to fraction form
    3,200.50/4,782.32 = 2,445.87/x
  3. Step 3: Cross multiply
    3,200.50x = 4,782.32 × 2,445.87
  4. Step 4: Simplify right side
    3,200.50x = 11,696,927.57
  5. Step 5: Solve for x
    x = 11,696,927.57/3,200.50
  6. Step 6: Final answer
    x = 3,654.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.