Home / 3,540.18-5,310.28-1,075.02

Finding the Fourth Proportional to 3,540.18, 5,310.28 and 1,075.02

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Solution

The fourth proportional to 3,540.18, 5,310.28 and 1,075.02 is: 1,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.18 : 5,310.28 = 1,075.02 : x
  2. Step 2: Convert to fraction form
    3,540.18/5,310.28 = 1,075.02/x
  3. Step 3: Cross multiply
    3,540.18x = 5,310.28 × 1,075.02
  4. Step 4: Simplify right side
    3,540.18x = 5,708,657.21
  5. Step 5: Solve for x
    x = 5,708,657.21/3,540.18
  6. Step 6: Final answer
    x = 1,612.53

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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.