Home / 2,547.38-3,511.19-1,800.38

Finding the Fourth Proportional to 2,547.38, 3,511.19 and 1,800.38

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Solution

The fourth proportional to 2,547.38, 3,511.19 and 1,800.38 is: 2,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.38 : 3,511.19 = 1,800.38 : x
  2. Step 2: Convert to fraction form
    2,547.38/3,511.19 = 1,800.38/x
  3. Step 3: Cross multiply
    2,547.38x = 3,511.19 × 1,800.38
  4. Step 4: Simplify right side
    2,547.38x = 6,321,489.53
  5. Step 5: Solve for x
    x = 6,321,489.53/2,547.38
  6. Step 6: Final answer
    x = 2,481.56

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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.