Home / 2,445.26-3,374.34-1,397.66

Finding the Fourth Proportional to 2,445.26, 3,374.34 and 1,397.66

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Solution

The fourth proportional to 2,445.26, 3,374.34 and 1,397.66 is: 1,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.26 : 3,374.34 = 1,397.66 : x
  2. Step 2: Convert to fraction form
    2,445.26/3,374.34 = 1,397.66/x
  3. Step 3: Cross multiply
    2,445.26x = 3,374.34 × 1,397.66
  4. Step 4: Simplify right side
    2,445.26x = 4,716,180.04
  5. Step 5: Solve for x
    x = 4,716,180.04/2,445.26
  6. Step 6: Final answer
    x = 1,928.70

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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.