Home / 2,231.04-3,079.90-1,568.46

Finding the Fourth Proportional to 2,231.04, 3,079.90 and 1,568.46

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Solution

The fourth proportional to 2,231.04, 3,079.90 and 1,568.46 is: 2,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.04 : 3,079.90 = 1,568.46 : x
  2. Step 2: Convert to fraction form
    2,231.04/3,079.90 = 1,568.46/x
  3. Step 3: Cross multiply
    2,231.04x = 3,079.90 × 1,568.46
  4. Step 4: Simplify right side
    2,231.04x = 4,830,684.55
  5. Step 5: Solve for x
    x = 4,830,684.55/2,231.04
  6. Step 6: Final answer
    x = 2,165.22

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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.