Home / 3,200.40-4,417.17-1,874.25

Finding the Fourth Proportional to 3,200.40, 4,417.17 and 1,874.25

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Solution

The fourth proportional to 3,200.40, 4,417.17 and 1,874.25 is: 2,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.40 : 4,417.17 = 1,874.25 : x
  2. Step 2: Convert to fraction form
    3,200.40/4,417.17 = 1,874.25/x
  3. Step 3: Cross multiply
    3,200.40x = 4,417.17 × 1,874.25
  4. Step 4: Simplify right side
    3,200.40x = 8,278,880.87
  5. Step 5: Solve for x
    x = 8,278,880.87/3,200.40
  6. Step 6: Final answer
    x = 2,586.83

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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.