Home / 2,432.56-3,356.76-1,909.84

Finding the Fourth Proportional to 2,432.56, 3,356.76 and 1,909.84

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Solution

The fourth proportional to 2,432.56, 3,356.76 and 1,909.84 is: 2,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.56 : 3,356.76 = 1,909.84 : x
  2. Step 2: Convert to fraction form
    2,432.56/3,356.76 = 1,909.84/x
  3. Step 3: Cross multiply
    2,432.56x = 3,356.76 × 1,909.84
  4. Step 4: Simplify right side
    2,432.56x = 6,410,874.52
  5. Step 5: Solve for x
    x = 6,410,874.52/2,432.56
  6. Step 6: Final answer
    x = 2,635.44

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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.