Home / 2,380.39-3,572.88-1,148.66

Finding the Fourth Proportional to 2,380.39, 3,572.88 and 1,148.66

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Solution

The fourth proportional to 2,380.39, 3,572.88 and 1,148.66 is: 1,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.39 : 3,572.88 = 1,148.66 : x
  2. Step 2: Convert to fraction form
    2,380.39/3,572.88 = 1,148.66/x
  3. Step 3: Cross multiply
    2,380.39x = 3,572.88 × 1,148.66
  4. Step 4: Simplify right side
    2,380.39x = 4,104,037.58
  5. Step 5: Solve for x
    x = 4,104,037.58/2,380.39
  6. Step 6: Final answer
    x = 1,724.10

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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.