Home / 2,231.53-3,079.55-1,347.14

Finding the Fourth Proportional to 2,231.53, 3,079.55 and 1,347.14

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Solution

The fourth proportional to 2,231.53, 3,079.55 and 1,347.14 is: 1,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.53 : 3,079.55 = 1,347.14 : x
  2. Step 2: Convert to fraction form
    2,231.53/3,079.55 = 1,347.14/x
  3. Step 3: Cross multiply
    2,231.53x = 3,079.55 × 1,347.14
  4. Step 4: Simplify right side
    2,231.53x = 4,148,584.99
  5. Step 5: Solve for x
    x = 4,148,584.99/2,231.53
  6. Step 6: Final answer
    x = 1,859.08

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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.