Home / 2,669.28-4,000.87-1,025.11

Finding the Fourth Proportional to 2,669.28, 4,000.87 and 1,025.11

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Solution

The fourth proportional to 2,669.28, 4,000.87 and 1,025.11 is: 1,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.28 : 4,000.87 = 1,025.11 : x
  2. Step 2: Convert to fraction form
    2,669.28/4,000.87 = 1,025.11/x
  3. Step 3: Cross multiply
    2,669.28x = 4,000.87 × 1,025.11
  4. Step 4: Simplify right side
    2,669.28x = 4,101,331.85
  5. Step 5: Solve for x
    x = 4,101,331.85/2,669.28
  6. Step 6: Final answer
    x = 1,536.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.