Home / 1,831.72-2,527.06-1,045.36

Finding the Fourth Proportional to 1,831.72, 2,527.06 and 1,045.36

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Solution

The fourth proportional to 1,831.72, 2,527.06 and 1,045.36 is: 1,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.72 : 2,527.06 = 1,045.36 : x
  2. Step 2: Convert to fraction form
    1,831.72/2,527.06 = 1,045.36/x
  3. Step 3: Cross multiply
    1,831.72x = 2,527.06 × 1,045.36
  4. Step 4: Simplify right side
    1,831.72x = 2,641,687.44
  5. Step 5: Solve for x
    x = 2,641,687.44/1,831.72
  6. Step 6: Final answer
    x = 1,442.19

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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.