Home / 3,587.06-5,381.14-1,831.11

Finding the Fourth Proportional to 3,587.06, 5,381.14 and 1,831.11

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Solution

The fourth proportional to 3,587.06, 5,381.14 and 1,831.11 is: 2,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.06 : 5,381.14 = 1,831.11 : x
  2. Step 2: Convert to fraction form
    3,587.06/5,381.14 = 1,831.11/x
  3. Step 3: Cross multiply
    3,587.06x = 5,381.14 × 1,831.11
  4. Step 4: Simplify right side
    3,587.06x = 9,853,464.99
  5. Step 5: Solve for x
    x = 9,853,464.99/3,587.06
  6. Step 6: Final answer
    x = 2,746.95

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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.