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Finding the Fourth Proportional to 3,570.76, 5,357.76 and 1,839.52

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Solution

The fourth proportional to 3,570.76, 5,357.76 and 1,839.52 is: 2,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.76 : 5,357.76 = 1,839.52 : x
  2. Step 2: Convert to fraction form
    3,570.76/5,357.76 = 1,839.52/x
  3. Step 3: Cross multiply
    3,570.76x = 5,357.76 × 1,839.52
  4. Step 4: Simplify right side
    3,570.76x = 9,855,706.68
  5. Step 5: Solve for x
    x = 9,855,706.68/3,570.76
  6. Step 6: Final answer
    x = 2,760.11

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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.