Home / 1,756.23-2,633.10-831.29

Finding the Fourth Proportional to 1,756.23, 2,633.10 and 831.29

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Solution

The fourth proportional to 1,756.23, 2,633.10 and 831.29 is: 1,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.23 : 2,633.10 = 831.29 : x
  2. Step 2: Convert to fraction form
    1,756.23/2,633.10 = 831.29/x
  3. Step 3: Cross multiply
    1,756.23x = 2,633.10 × 831.29
  4. Step 4: Simplify right side
    1,756.23x = 2,188,856.53
  5. Step 5: Solve for x
    x = 2,188,856.53/1,756.23
  6. Step 6: Final answer
    x = 1,246.34

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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.