Home / 3,385.31-5,079.65-1,536.26

Finding the Fourth Proportional to 3,385.31, 5,079.65 and 1,536.26

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Solution

The fourth proportional to 3,385.31, 5,079.65 and 1,536.26 is: 2,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.31 : 5,079.65 = 1,536.26 : x
  2. Step 2: Convert to fraction form
    3,385.31/5,079.65 = 1,536.26/x
  3. Step 3: Cross multiply
    3,385.31x = 5,079.65 × 1,536.26
  4. Step 4: Simplify right side
    3,385.31x = 7,803,630.03
  5. Step 5: Solve for x
    x = 7,803,630.03/3,385.31
  6. Step 6: Final answer
    x = 2,305.15

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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.