Home / 3,723.12-5,582.48-1,257.26

Finding the Fourth Proportional to 3,723.12, 5,582.48 and 1,257.26

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Solution

The fourth proportional to 3,723.12, 5,582.48 and 1,257.26 is: 1,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.12 : 5,582.48 = 1,257.26 : x
  2. Step 2: Convert to fraction form
    3,723.12/5,582.48 = 1,257.26/x
  3. Step 3: Cross multiply
    3,723.12x = 5,582.48 × 1,257.26
  4. Step 4: Simplify right side
    3,723.12x = 7,018,594.61
  5. Step 5: Solve for x
    x = 7,018,594.61/3,723.12
  6. Step 6: Final answer
    x = 1,885.14

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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.