Home / 1,831.29-2,524.55-1,306.41

Finding the Fourth Proportional to 1,831.29, 2,524.55 and 1,306.41

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Solution

The fourth proportional to 1,831.29, 2,524.55 and 1,306.41 is: 1,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.29 : 2,524.55 = 1,306.41 : x
  2. Step 2: Convert to fraction form
    1,831.29/2,524.55 = 1,306.41/x
  3. Step 3: Cross multiply
    1,831.29x = 2,524.55 × 1,306.41
  4. Step 4: Simplify right side
    1,831.29x = 3,298,090.83
  5. Step 5: Solve for x
    x = 3,298,090.83/1,831.29
  6. Step 6: Final answer
    x = 1,800.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.