Home / 2,509.50-3,761.76-1,685.88

Finding the Fourth Proportional to 2,509.50, 3,761.76 and 1,685.88

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Solution

The fourth proportional to 2,509.50, 3,761.76 and 1,685.88 is: 2,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.50 : 3,761.76 = 1,685.88 : x
  2. Step 2: Convert to fraction form
    2,509.50/3,761.76 = 1,685.88/x
  3. Step 3: Cross multiply
    2,509.50x = 3,761.76 × 1,685.88
  4. Step 4: Simplify right side
    2,509.50x = 6,341,875.95
  5. Step 5: Solve for x
    x = 6,341,875.95/2,509.50
  6. Step 6: Final answer
    x = 2,527.15

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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.