Home / 2,556.32-3,834.50-707.54

Finding the Fourth Proportional to 2,556.32, 3,834.50 and 707.54

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Solution

The fourth proportional to 2,556.32, 3,834.50 and 707.54 is: 1,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.32 : 3,834.50 = 707.54 : x
  2. Step 2: Convert to fraction form
    2,556.32/3,834.50 = 707.54/x
  3. Step 3: Cross multiply
    2,556.32x = 3,834.50 × 707.54
  4. Step 4: Simplify right side
    2,556.32x = 2,713,062.13
  5. Step 5: Solve for x
    x = 2,713,062.13/2,556.32
  6. Step 6: Final answer
    x = 1,061.32

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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.