Home / 2,447.76-3,374.28-1,785.36

Finding the Fourth Proportional to 2,447.76, 3,374.28 and 1,785.36

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Solution

The fourth proportional to 2,447.76, 3,374.28 and 1,785.36 is: 2,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.76 : 3,374.28 = 1,785.36 : x
  2. Step 2: Convert to fraction form
    2,447.76/3,374.28 = 1,785.36/x
  3. Step 3: Cross multiply
    2,447.76x = 3,374.28 × 1,785.36
  4. Step 4: Simplify right side
    2,447.76x = 6,024,304.54
  5. Step 5: Solve for x
    x = 6,024,304.54/2,447.76
  6. Step 6: Final answer
    x = 2,461.15

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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.