Home / 2,372.23-3,269.58-1,781.74

Finding the Fourth Proportional to 2,372.23, 3,269.58 and 1,781.74

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Solution

The fourth proportional to 2,372.23, 3,269.58 and 1,781.74 is: 2,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.23 : 3,269.58 = 1,781.74 : x
  2. Step 2: Convert to fraction form
    2,372.23/3,269.58 = 1,781.74/x
  3. Step 3: Cross multiply
    2,372.23x = 3,269.58 × 1,781.74
  4. Step 4: Simplify right side
    2,372.23x = 5,825,541.47
  5. Step 5: Solve for x
    x = 5,825,541.47/2,372.23
  6. Step 6: Final answer
    x = 2,455.72

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1.5x scale

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.