Home / 2,497.17-3,446.06-1,378.15

Finding the Fourth Proportional to 2,497.17, 3,446.06 and 1,378.15

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Solution

The fourth proportional to 2,497.17, 3,446.06 and 1,378.15 is: 1,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.17 : 3,446.06 = 1,378.15 : x
  2. Step 2: Convert to fraction form
    2,497.17/3,446.06 = 1,378.15/x
  3. Step 3: Cross multiply
    2,497.17x = 3,446.06 × 1,378.15
  4. Step 4: Simplify right side
    2,497.17x = 4,749,172.08
  5. Step 5: Solve for x
    x = 4,749,172.08/2,497.17
  6. Step 6: Final answer
    x = 1,901.82

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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.