Home / 2,319.52-3,200.96-1,271.52

Finding the Fourth Proportional to 2,319.52, 3,200.96 and 1,271.52

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Solution

The fourth proportional to 2,319.52, 3,200.96 and 1,271.52 is: 1,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.52 : 3,200.96 = 1,271.52 : x
  2. Step 2: Convert to fraction form
    2,319.52/3,200.96 = 1,271.52/x
  3. Step 3: Cross multiply
    2,319.52x = 3,200.96 × 1,271.52
  4. Step 4: Simplify right side
    2,319.52x = 4,070,084.66
  5. Step 5: Solve for x
    x = 4,070,084.66/2,319.52
  6. Step 6: Final answer
    x = 1,754.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.