Home / 3,585.49-5,381.18-1,831.77

Finding the Fourth Proportional to 3,585.49, 5,381.18 and 1,831.77

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Solution

The fourth proportional to 3,585.49, 5,381.18 and 1,831.77 is: 2,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.49 : 5,381.18 = 1,831.77 : x
  2. Step 2: Convert to fraction form
    3,585.49/5,381.18 = 1,831.77/x
  3. Step 3: Cross multiply
    3,585.49x = 5,381.18 × 1,831.77
  4. Step 4: Simplify right side
    3,585.49x = 9,857,084.09
  5. Step 5: Solve for x
    x = 9,857,084.09/3,585.49
  6. Step 6: Final answer
    x = 2,749.16

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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.