Home / 3,539.16-5,307.12-2,079

Finding the Fourth Proportional to 3,539.16, 5,307.12 and 2,079

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Solution

The fourth proportional to 3,539.16, 5,307.12 and 2,079 is: 3,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.16 : 5,307.12 = 2,079 : x
  2. Step 2: Convert to fraction form
    3,539.16/5,307.12 = 2,079/x
  3. Step 3: Cross multiply
    3,539.16x = 5,307.12 × 2,079
  4. Step 4: Simplify right side
    3,539.16x = 11,033,502.48
  5. Step 5: Solve for x
    x = 11,033,502.48/3,539.16
  6. Step 6: Final answer
    x = 3,117.55

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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.