Home / 2,554.31-3,831.38-705.53

Finding the Fourth Proportional to 2,554.31, 3,831.38 and 705.53

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Solution

The fourth proportional to 2,554.31, 3,831.38 and 705.53 is: 1,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.31 : 3,831.38 = 705.53 : x
  2. Step 2: Convert to fraction form
    2,554.31/3,831.38 = 705.53/x
  3. Step 3: Cross multiply
    2,554.31x = 3,831.38 × 705.53
  4. Step 4: Simplify right side
    2,554.31x = 2,703,162.23
  5. Step 5: Solve for x
    x = 2,703,162.23/2,554.31
  6. Step 6: Final answer
    x = 1,058.27

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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.