Home / 3,432.63-4,737.88-2,255.30

Finding the Fourth Proportional to 3,432.63, 4,737.88 and 2,255.30

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Solution

The fourth proportional to 3,432.63, 4,737.88 and 2,255.30 is: 3,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.63 : 4,737.88 = 2,255.30 : x
  2. Step 2: Convert to fraction form
    3,432.63/4,737.88 = 2,255.30/x
  3. Step 3: Cross multiply
    3,432.63x = 4,737.88 × 2,255.30
  4. Step 4: Simplify right side
    3,432.63x = 10,685,305.80
  5. Step 5: Solve for x
    x = 10,685,305.80/3,432.63
  6. Step 6: Final answer
    x = 3,112.86

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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.