Home / 3,098.18-4,645.89-1,455.19

Finding the Fourth Proportional to 3,098.18, 4,645.89 and 1,455.19

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Solution

The fourth proportional to 3,098.18, 4,645.89 and 1,455.19 is: 2,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.18 : 4,645.89 = 1,455.19 : x
  2. Step 2: Convert to fraction form
    3,098.18/4,645.89 = 1,455.19/x
  3. Step 3: Cross multiply
    3,098.18x = 4,645.89 × 1,455.19
  4. Step 4: Simplify right side
    3,098.18x = 6,760,641.05
  5. Step 5: Solve for x
    x = 6,760,641.05/3,098.18
  6. Step 6: Final answer
    x = 2,182.13

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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.