Home / 3,723.32-5,585.00-1,126.28

Finding the Fourth Proportional to 3,723.32, 5,585.00 and 1,126.28

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Solution

The fourth proportional to 3,723.32, 5,585.00 and 1,126.28 is: 1,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.32 : 5,585.00 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    3,723.32/5,585.00 = 1,126.28/x
  3. Step 3: Cross multiply
    3,723.32x = 5,585.00 × 1,126.28
  4. Step 4: Simplify right side
    3,723.32x = 6,290,240.24
  5. Step 5: Solve for x
    x = 6,290,240.24/3,723.32
  6. Step 6: Final answer
    x = 1,689.42

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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.