Home / 2,559.15-3,838.44-710.55

Finding the Fourth Proportional to 2,559.15, 3,838.44 and 710.55

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Solution

The fourth proportional to 2,559.15, 3,838.44 and 710.55 is: 1,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.15 : 3,838.44 = 710.55 : x
  2. Step 2: Convert to fraction form
    2,559.15/3,838.44 = 710.55/x
  3. Step 3: Cross multiply
    2,559.15x = 3,838.44 × 710.55
  4. Step 4: Simplify right side
    2,559.15x = 2,727,403.54
  5. Step 5: Solve for x
    x = 2,727,403.54/2,559.15
  6. Step 6: Final answer
    x = 1,065.75

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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.