Home / 2,556.31-3,834.38-707.53

Finding the Fourth Proportional to 2,556.31, 3,834.38 and 707.53

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Solution

The fourth proportional to 2,556.31, 3,834.38 and 707.53 is: 1,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.31 : 3,834.38 = 707.53 : x
  2. Step 2: Convert to fraction form
    2,556.31/3,834.38 = 707.53/x
  3. Step 3: Cross multiply
    2,556.31x = 3,834.38 × 707.53
  4. Step 4: Simplify right side
    2,556.31x = 2,712,938.88
  5. Step 5: Solve for x
    x = 2,712,938.88/2,556.31
  6. Step 6: Final answer
    x = 1,061.27

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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.