Home / 2,323.11-3,205.87-1,275.15

Finding the Fourth Proportional to 2,323.11, 3,205.87 and 1,275.15

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Solution

The fourth proportional to 2,323.11, 3,205.87 and 1,275.15 is: 1,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.11 : 3,205.87 = 1,275.15 : x
  2. Step 2: Convert to fraction form
    2,323.11/3,205.87 = 1,275.15/x
  3. Step 3: Cross multiply
    2,323.11x = 3,205.87 × 1,275.15
  4. Step 4: Simplify right side
    2,323.11x = 4,087,965.13
  5. Step 5: Solve for x
    x = 4,087,965.13/2,323.11
  6. Step 6: Final answer
    x = 1,759.70

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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.