Home / 3,801.86-5,246.66-2,385.61

Finding the Fourth Proportional to 3,801.86, 5,246.66 and 2,385.61

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Solution

The fourth proportional to 3,801.86, 5,246.66 and 2,385.61 is: 3,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.86 : 5,246.66 = 2,385.61 : x
  2. Step 2: Convert to fraction form
    3,801.86/5,246.66 = 2,385.61/x
  3. Step 3: Cross multiply
    3,801.86x = 5,246.66 × 2,385.61
  4. Step 4: Simplify right side
    3,801.86x = 12,516,459.52
  5. Step 5: Solve for x
    x = 12,516,459.52/3,801.86
  6. Step 6: Final answer
    x = 3,292.19

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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.