Home / 2,352.05-3,534.45-1,257.20

Finding the Fourth Proportional to 2,352.05, 3,534.45 and 1,257.20

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Solution

The fourth proportional to 2,352.05, 3,534.45 and 1,257.20 is: 1,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.05 : 3,534.45 = 1,257.20 : x
  2. Step 2: Convert to fraction form
    2,352.05/3,534.45 = 1,257.20/x
  3. Step 3: Cross multiply
    2,352.05x = 3,534.45 × 1,257.20
  4. Step 4: Simplify right side
    2,352.05x = 4,443,510.54
  5. Step 5: Solve for x
    x = 4,443,510.54/2,352.05
  6. Step 6: Final answer
    x = 1,889.21

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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.