Home / 3,250.42-4,876.99-2,081.74

Finding the Fourth Proportional to 3,250.42, 4,876.99 and 2,081.74

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Solution

The fourth proportional to 3,250.42, 4,876.99 and 2,081.74 is: 3,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.42 : 4,876.99 = 2,081.74 : x
  2. Step 2: Convert to fraction form
    3,250.42/4,876.99 = 2,081.74/x
  3. Step 3: Cross multiply
    3,250.42x = 4,876.99 × 2,081.74
  4. Step 4: Simplify right side
    3,250.42x = 10,152,607.77
  5. Step 5: Solve for x
    x = 10,152,607.77/3,250.42
  6. Step 6: Final answer
    x = 3,123.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.