Home / 3,713.89-5,570.63-1,248.45

Finding the Fourth Proportional to 3,713.89, 5,570.63 and 1,248.45

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Solution

The fourth proportional to 3,713.89, 5,570.63 and 1,248.45 is: 1,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.89 : 5,570.63 = 1,248.45 : x
  2. Step 2: Convert to fraction form
    3,713.89/5,570.63 = 1,248.45/x
  3. Step 3: Cross multiply
    3,713.89x = 5,570.63 × 1,248.45
  4. Step 4: Simplify right side
    3,713.89x = 6,954,651.46
  5. Step 5: Solve for x
    x = 6,954,651.46/3,713.89
  6. Step 6: Final answer
    x = 1,872.61

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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.