Home / 2,248.53-3,370.86-931.47

Finding the Fourth Proportional to 2,248.53, 3,370.86 and 931.47

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Solution

The fourth proportional to 2,248.53, 3,370.86 and 931.47 is: 1,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.53 : 3,370.86 = 931.47 : x
  2. Step 2: Convert to fraction form
    2,248.53/3,370.86 = 931.47/x
  3. Step 3: Cross multiply
    2,248.53x = 3,370.86 × 931.47
  4. Step 4: Simplify right side
    2,248.53x = 3,139,854.96
  5. Step 5: Solve for x
    x = 3,139,854.96/2,248.53
  6. Step 6: Final answer
    x = 1,396.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.