Home / 3,831.50-5,747.25-1,058.20

Finding the Fourth Proportional to 3,831.50, 5,747.25 and 1,058.20

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Solution

The fourth proportional to 3,831.50, 5,747.25 and 1,058.20 is: 1,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.50 : 5,747.25 = 1,058.20 : x
  2. Step 2: Convert to fraction form
    3,831.50/5,747.25 = 1,058.20/x
  3. Step 3: Cross multiply
    3,831.50x = 5,747.25 × 1,058.20
  4. Step 4: Simplify right side
    3,831.50x = 6,081,739.95
  5. Step 5: Solve for x
    x = 6,081,739.95/3,831.50
  6. Step 6: Final answer
    x = 1,587.30

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1.5x scale

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.