Home / 3,432.08-4,737.40-2,106.88

Finding the Fourth Proportional to 3,432.08, 4,737.40 and 2,106.88

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Solution

The fourth proportional to 3,432.08, 4,737.40 and 2,106.88 is: 2,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.08 : 4,737.40 = 2,106.88 : x
  2. Step 2: Convert to fraction form
    3,432.08/4,737.40 = 2,106.88/x
  3. Step 3: Cross multiply
    3,432.08x = 4,737.40 × 2,106.88
  4. Step 4: Simplify right side
    3,432.08x = 9,981,133.31
  5. Step 5: Solve for x
    x = 9,981,133.31/3,432.08
  6. Step 6: Final answer
    x = 2,908.19

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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.