Home / 1,941.16-2,912.19-554.52

Finding the Fourth Proportional to 1,941.16, 2,912.19 and 554.52

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Solution

The fourth proportional to 1,941.16, 2,912.19 and 554.52 is: 831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.16 : 2,912.19 = 554.52 : x
  2. Step 2: Convert to fraction form
    1,941.16/2,912.19 = 554.52/x
  3. Step 3: Cross multiply
    1,941.16x = 2,912.19 × 554.52
  4. Step 4: Simplify right side
    1,941.16x = 1,614,867.60
  5. Step 5: Solve for x
    x = 1,614,867.60/1,941.16
  6. Step 6: Final answer
    x = 831.91

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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.