Home / 3,465.01-4,781.99-2,138.83

Finding the Fourth Proportional to 3,465.01, 4,781.99 and 2,138.83

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Solution

The fourth proportional to 3,465.01, 4,781.99 and 2,138.83 is: 2,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.01 : 4,781.99 = 2,138.83 : x
  2. Step 2: Convert to fraction form
    3,465.01/4,781.99 = 2,138.83/x
  3. Step 3: Cross multiply
    3,465.01x = 4,781.99 × 2,138.83
  4. Step 4: Simplify right side
    3,465.01x = 10,227,863.67
  5. Step 5: Solve for x
    x = 10,227,863.67/3,465.01
  6. Step 6: Final answer
    x = 2,951.76

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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.