Home / 3,754.20-5,629.68-1,156.53

Finding the Fourth Proportional to 3,754.20, 5,629.68 and 1,156.53

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Solution

The fourth proportional to 3,754.20, 5,629.68 and 1,156.53 is: 1,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.20 : 5,629.68 = 1,156.53 : x
  2. Step 2: Convert to fraction form
    3,754.20/5,629.68 = 1,156.53/x
  3. Step 3: Cross multiply
    3,754.20x = 5,629.68 × 1,156.53
  4. Step 4: Simplify right side
    3,754.20x = 6,510,893.81
  5. Step 5: Solve for x
    x = 6,510,893.81/3,754.20
  6. Step 6: Final answer
    x = 1,734.30

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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.