Home / 1,568.04-2,351.80-581.32

Finding the Fourth Proportional to 1,568.04, 2,351.80 and 581.32

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Solution

The fourth proportional to 1,568.04, 2,351.80 and 581.32 is: 871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.04 : 2,351.80 = 581.32 : x
  2. Step 2: Convert to fraction form
    1,568.04/2,351.80 = 581.32/x
  3. Step 3: Cross multiply
    1,568.04x = 2,351.80 × 581.32
  4. Step 4: Simplify right side
    1,568.04x = 1,367,148.38
  5. Step 5: Solve for x
    x = 1,367,148.38/1,568.04
  6. Step 6: Final answer
    x = 871.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.