Home / 3,079.32-4,250.36-1,753.76

Finding the Fourth Proportional to 3,079.32, 4,250.36 and 1,753.76

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Solution

The fourth proportional to 3,079.32, 4,250.36 and 1,753.76 is: 2,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.32 : 4,250.36 = 1,753.76 : x
  2. Step 2: Convert to fraction form
    3,079.32/4,250.36 = 1,753.76/x
  3. Step 3: Cross multiply
    3,079.32x = 4,250.36 × 1,753.76
  4. Step 4: Simplify right side
    3,079.32x = 7,454,111.35
  5. Step 5: Solve for x
    x = 7,454,111.35/3,079.32
  6. Step 6: Final answer
    x = 2,420.70

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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.