Home / 3,747.02-5,621.33-1,438.50

Finding the Fourth Proportional to 3,747.02, 5,621.33 and 1,438.50

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Solution

The fourth proportional to 3,747.02, 5,621.33 and 1,438.50 is: 2,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.02 : 5,621.33 = 1,438.50 : x
  2. Step 2: Convert to fraction form
    3,747.02/5,621.33 = 1,438.50/x
  3. Step 3: Cross multiply
    3,747.02x = 5,621.33 × 1,438.50
  4. Step 4: Simplify right side
    3,747.02x = 8,086,283.21
  5. Step 5: Solve for x
    x = 8,086,283.21/3,747.02
  6. Step 6: Final answer
    x = 2,158.06

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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.