Home / 2,280.88-3,417-1,761.76

Finding the Fourth Proportional to 2,280.88, 3,417 and 1,761.76

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Solution

The fourth proportional to 2,280.88, 3,417 and 1,761.76 is: 2,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.88 : 3,417 = 1,761.76 : x
  2. Step 2: Convert to fraction form
    2,280.88/3,417 = 1,761.76/x
  3. Step 3: Cross multiply
    2,280.88x = 3,417 × 1,761.76
  4. Step 4: Simplify right side
    2,280.88x = 6,019,933.92
  5. Step 5: Solve for x
    x = 6,019,933.92/2,280.88
  6. Step 6: Final answer
    x = 2,639.30

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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.