Home / 3,630.10-5,437.05-2,803.90

Finding the Fourth Proportional to 3,630.10, 5,437.05 and 2,803.90

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Solution

The fourth proportional to 3,630.10, 5,437.05 and 2,803.90 is: 4,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.10 : 5,437.05 = 2,803.90 : x
  2. Step 2: Convert to fraction form
    3,630.10/5,437.05 = 2,803.90/x
  3. Step 3: Cross multiply
    3,630.10x = 5,437.05 × 2,803.90
  4. Step 4: Simplify right side
    3,630.10x = 15,244,944.50
  5. Step 5: Solve for x
    x = 15,244,944.50/3,630.10
  6. Step 6: Final answer
    x = 4,199.59

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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.