Home / 3,079.35-4,248.45-1,734.75

Finding the Fourth Proportional to 3,079.35, 4,248.45 and 1,734.75

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Solution

The fourth proportional to 3,079.35, 4,248.45 and 1,734.75 is: 2,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.35 : 4,248.45 = 1,734.75 : x
  2. Step 2: Convert to fraction form
    3,079.35/4,248.45 = 1,734.75/x
  3. Step 3: Cross multiply
    3,079.35x = 4,248.45 × 1,734.75
  4. Step 4: Simplify right side
    3,079.35x = 7,369,998.64
  5. Step 5: Solve for x
    x = 7,369,998.64/3,079.35
  6. Step 6: Final answer
    x = 2,393.36

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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.