Home / 2,669.28-4,023.93-2,490.87

Finding the Fourth Proportional to 2,669.28, 4,023.93 and 2,490.87

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Solution

The fourth proportional to 2,669.28, 4,023.93 and 2,490.87 is: 3,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.28 : 4,023.93 = 2,490.87 : x
  2. Step 2: Convert to fraction form
    2,669.28/4,023.93 = 2,490.87/x
  3. Step 3: Cross multiply
    2,669.28x = 4,023.93 × 2,490.87
  4. Step 4: Simplify right side
    2,669.28x = 10,023,086.52
  5. Step 5: Solve for x
    x = 10,023,086.52/2,669.28
  6. Step 6: Final answer
    x = 3,754.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.