Home / 2,245.17-3,098.76-1,487.61

Finding the Fourth Proportional to 2,245.17, 3,098.76 and 1,487.61

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Solution

The fourth proportional to 2,245.17, 3,098.76 and 1,487.61 is: 2,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.17 : 3,098.76 = 1,487.61 : x
  2. Step 2: Convert to fraction form
    2,245.17/3,098.76 = 1,487.61/x
  3. Step 3: Cross multiply
    2,245.17x = 3,098.76 × 1,487.61
  4. Step 4: Simplify right side
    2,245.17x = 4,609,746.36
  5. Step 5: Solve for x
    x = 4,609,746.36/2,245.17
  6. Step 6: Final answer
    x = 2,053.18

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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.