Home / 2,624.13-3,618.30-1,959.86

Finding the Fourth Proportional to 2,624.13, 3,618.30 and 1,959.86

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Solution

The fourth proportional to 2,624.13, 3,618.30 and 1,959.86 is: 2,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.13 : 3,618.30 = 1,959.86 : x
  2. Step 2: Convert to fraction form
    2,624.13/3,618.30 = 1,959.86/x
  3. Step 3: Cross multiply
    2,624.13x = 3,618.30 × 1,959.86
  4. Step 4: Simplify right side
    2,624.13x = 7,091,351.64
  5. Step 5: Solve for x
    x = 7,091,351.64/2,624.13
  6. Step 6: Final answer
    x = 2,702.36

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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.