Home / 2,497.11-3,446-1,378.10

Finding the Fourth Proportional to 2,497.11, 3,446 and 1,378.10

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Solution

The fourth proportional to 2,497.11, 3,446 and 1,378.10 is: 1,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.11 : 3,446 = 1,378.10 : x
  2. Step 2: Convert to fraction form
    2,497.11/3,446 = 1,378.10/x
  3. Step 3: Cross multiply
    2,497.11x = 3,446 × 1,378.10
  4. Step 4: Simplify right side
    2,497.11x = 4,748,932.60
  5. Step 5: Solve for x
    x = 4,748,932.60/2,497.11
  6. Step 6: Final answer
    x = 1,901.77

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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.