Home / 3,867.95-5,337.77-2,099.54

Finding the Fourth Proportional to 3,867.95, 5,337.77 and 2,099.54

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Solution

The fourth proportional to 3,867.95, 5,337.77 and 2,099.54 is: 2,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.95 : 5,337.77 = 2,099.54 : x
  2. Step 2: Convert to fraction form
    3,867.95/5,337.77 = 2,099.54/x
  3. Step 3: Cross multiply
    3,867.95x = 5,337.77 × 2,099.54
  4. Step 4: Simplify right side
    3,867.95x = 11,206,864.47
  5. Step 5: Solve for x
    x = 11,206,864.47/3,867.95
  6. Step 6: Final answer
    x = 2,897.36

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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.