Home / 3,862.92-5,330.93-2,184.57

Finding the Fourth Proportional to 3,862.92, 5,330.93 and 2,184.57

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Solution

The fourth proportional to 3,862.92, 5,330.93 and 2,184.57 is: 3,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.92 : 5,330.93 = 2,184.57 : x
  2. Step 2: Convert to fraction form
    3,862.92/5,330.93 = 2,184.57/x
  3. Step 3: Cross multiply
    3,862.92x = 5,330.93 × 2,184.57
  4. Step 4: Simplify right side
    3,862.92x = 11,645,813.61
  5. Step 5: Solve for x
    x = 11,645,813.61/3,862.92
  6. Step 6: Final answer
    x = 3,014.77

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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.