Home / 2,553.11-3,831.18-2,391.13

Finding the Fourth Proportional to 2,553.11, 3,831.18 and 2,391.13

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Solution

The fourth proportional to 2,553.11, 3,831.18 and 2,391.13 is: 3,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.11 : 3,831.18 = 2,391.13 : x
  2. Step 2: Convert to fraction form
    2,553.11/3,831.18 = 2,391.13/x
  3. Step 3: Cross multiply
    2,553.11x = 3,831.18 × 2,391.13
  4. Step 4: Simplify right side
    2,553.11x = 9,160,849.43
  5. Step 5: Solve for x
    x = 9,160,849.43/2,553.11
  6. Step 6: Final answer
    x = 3,588.11

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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.