Home / 3,079.86-4,250.38-1,753.68

Finding the Fourth Proportional to 3,079.86, 4,250.38 and 1,753.68

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Solution

The fourth proportional to 3,079.86, 4,250.38 and 1,753.68 is: 2,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.86 : 4,250.38 = 1,753.68 : x
  2. Step 2: Convert to fraction form
    3,079.86/4,250.38 = 1,753.68/x
  3. Step 3: Cross multiply
    3,079.86x = 4,250.38 × 1,753.68
  4. Step 4: Simplify right side
    3,079.86x = 7,453,806.40
  5. Step 5: Solve for x
    x = 7,453,806.40/3,079.86
  6. Step 6: Final answer
    x = 2,420.18

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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.