Home / 3,925.92-5,418.20-2,510.90

Finding the Fourth Proportional to 3,925.92, 5,418.20 and 2,510.90

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Solution

The fourth proportional to 3,925.92, 5,418.20 and 2,510.90 is: 3,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.92 : 5,418.20 = 2,510.90 : x
  2. Step 2: Convert to fraction form
    3,925.92/5,418.20 = 2,510.90/x
  3. Step 3: Cross multiply
    3,925.92x = 5,418.20 × 2,510.90
  4. Step 4: Simplify right side
    3,925.92x = 13,604,558.38
  5. Step 5: Solve for x
    x = 13,604,558.38/3,925.92
  6. Step 6: Final answer
    x = 3,465.32

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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.