Home / 1,225.75-1,837.41-575.32

Finding the Fourth Proportional to 1,225.75, 1,837.41 and 575.32

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Solution

The fourth proportional to 1,225.75, 1,837.41 and 575.32 is: 862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.75 : 1,837.41 = 575.32 : x
  2. Step 2: Convert to fraction form
    1,225.75/1,837.41 = 575.32/x
  3. Step 3: Cross multiply
    1,225.75x = 1,837.41 × 575.32
  4. Step 4: Simplify right side
    1,225.75x = 1,057,098.72
  5. Step 5: Solve for x
    x = 1,057,098.72/1,225.75
  6. Step 6: Final answer
    x = 862.41

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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.