Home / 2,374.03-3,276.21-1,378.95

Finding the Fourth Proportional to 2,374.03, 3,276.21 and 1,378.95

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Solution

The fourth proportional to 2,374.03, 3,276.21 and 1,378.95 is: 1,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.03 : 3,276.21 = 1,378.95 : x
  2. Step 2: Convert to fraction form
    2,374.03/3,276.21 = 1,378.95/x
  3. Step 3: Cross multiply
    2,374.03x = 3,276.21 × 1,378.95
  4. Step 4: Simplify right side
    2,374.03x = 4,517,729.78
  5. Step 5: Solve for x
    x = 4,517,729.78/2,374.03
  6. Step 6: Final answer
    x = 1,902.98

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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.