Home / 2,232.12-3,079.84-1,347.90

Finding the Fourth Proportional to 2,232.12, 3,079.84 and 1,347.90

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Solution

The fourth proportional to 2,232.12, 3,079.84 and 1,347.90 is: 1,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.12 : 3,079.84 = 1,347.90 : x
  2. Step 2: Convert to fraction form
    2,232.12/3,079.84 = 1,347.90/x
  3. Step 3: Cross multiply
    2,232.12x = 3,079.84 × 1,347.90
  4. Step 4: Simplify right side
    2,232.12x = 4,151,316.34
  5. Step 5: Solve for x
    x = 4,151,316.34/2,232.12
  6. Step 6: Final answer
    x = 1,859.81

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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.