Home / 1,845.51-2,545.65-1,098.96

Finding the Fourth Proportional to 1,845.51, 2,545.65 and 1,098.96

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Solution

The fourth proportional to 1,845.51, 2,545.65 and 1,098.96 is: 1,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.51 : 2,545.65 = 1,098.96 : x
  2. Step 2: Convert to fraction form
    1,845.51/2,545.65 = 1,098.96/x
  3. Step 3: Cross multiply
    1,845.51x = 2,545.65 × 1,098.96
  4. Step 4: Simplify right side
    1,845.51x = 2,797,567.52
  5. Step 5: Solve for x
    x = 2,797,567.52/1,845.51
  6. Step 6: Final answer
    x = 1,515.88

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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.