Home / 2,454.21-3,681.92-1,155.38

Finding the Fourth Proportional to 2,454.21, 3,681.92 and 1,155.38

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Solution

The fourth proportional to 2,454.21, 3,681.92 and 1,155.38 is: 1,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.21 : 3,681.92 = 1,155.38 : x
  2. Step 2: Convert to fraction form
    2,454.21/3,681.92 = 1,155.38/x
  3. Step 3: Cross multiply
    2,454.21x = 3,681.92 × 1,155.38
  4. Step 4: Simplify right side
    2,454.21x = 4,254,001.21
  5. Step 5: Solve for x
    x = 4,254,001.21/2,454.21
  6. Step 6: Final answer
    x = 1,733.35

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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.