Home / 1,831.60-2,527.36-1,085.59

Finding the Fourth Proportional to 1,831.60, 2,527.36 and 1,085.59

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Solution

The fourth proportional to 1,831.60, 2,527.36 and 1,085.59 is: 1,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.60 : 2,527.36 = 1,085.59 : x
  2. Step 2: Convert to fraction form
    1,831.60/2,527.36 = 1,085.59/x
  3. Step 3: Cross multiply
    1,831.60x = 2,527.36 × 1,085.59
  4. Step 4: Simplify right side
    1,831.60x = 2,743,676.74
  5. Step 5: Solve for x
    x = 2,743,676.74/1,831.60
  6. Step 6: Final answer
    x = 1,497.97

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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.