Home / 3,621.40-5,432.10-3,552.28

Finding the Fourth Proportional to 3,621.40, 5,432.10 and 3,552.28

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Solution

The fourth proportional to 3,621.40, 5,432.10 and 3,552.28 is: 5,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.40 : 5,432.10 = 3,552.28 : x
  2. Step 2: Convert to fraction form
    3,621.40/5,432.10 = 3,552.28/x
  3. Step 3: Cross multiply
    3,621.40x = 5,432.10 × 3,552.28
  4. Step 4: Simplify right side
    3,621.40x = 19,296,340.19
  5. Step 5: Solve for x
    x = 19,296,340.19/3,621.40
  6. Step 6: Final answer
    x = 5,328.42

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1.5x scale

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.