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Finding the Fourth Proportional to 3,079.39, 4,250.06 and 1,959.16

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Solution

The fourth proportional to 3,079.39, 4,250.06 and 1,959.16 is: 2,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.39 : 4,250.06 = 1,959.16 : x
  2. Step 2: Convert to fraction form
    3,079.39/4,250.06 = 1,959.16/x
  3. Step 3: Cross multiply
    3,079.39x = 4,250.06 × 1,959.16
  4. Step 4: Simplify right side
    3,079.39x = 8,326,547.55
  5. Step 5: Solve for x
    x = 8,326,547.55/3,079.39
  6. Step 6: Final answer
    x = 2,703.96

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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.