Home / 2,380.57-3,573.16-1,148.85

Finding the Fourth Proportional to 2,380.57, 3,573.16 and 1,148.85

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Solution

The fourth proportional to 2,380.57, 3,573.16 and 1,148.85 is: 1,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.57 : 3,573.16 = 1,148.85 : x
  2. Step 2: Convert to fraction form
    2,380.57/3,573.16 = 1,148.85/x
  3. Step 3: Cross multiply
    2,380.57x = 3,573.16 × 1,148.85
  4. Step 4: Simplify right side
    2,380.57x = 4,105,028.46
  5. Step 5: Solve for x
    x = 4,105,028.46/2,380.57
  6. Step 6: Final answer
    x = 1,724.39

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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.