Home / 2,675.32-4,013.52-826.35

Finding the Fourth Proportional to 2,675.32, 4,013.52 and 826.35

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Solution

The fourth proportional to 2,675.32, 4,013.52 and 826.35 is: 1,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.32 : 4,013.52 = 826.35 : x
  2. Step 2: Convert to fraction form
    2,675.32/4,013.52 = 826.35/x
  3. Step 3: Cross multiply
    2,675.32x = 4,013.52 × 826.35
  4. Step 4: Simplify right side
    2,675.32x = 3,316,572.25
  5. Step 5: Solve for x
    x = 3,316,572.25/2,675.32
  6. Step 6: Final answer
    x = 1,239.69

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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.