Home / 2,553.61-3,831.93-2,391.63

Finding the Fourth Proportional to 2,553.61, 3,831.93 and 2,391.63

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Solution

The fourth proportional to 2,553.61, 3,831.93 and 2,391.63 is: 3,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.61 : 3,831.93 = 2,391.63 : x
  2. Step 2: Convert to fraction form
    2,553.61/3,831.93 = 2,391.63/x
  3. Step 3: Cross multiply
    2,553.61x = 3,831.93 × 2,391.63
  4. Step 4: Simplify right side
    2,553.61x = 9,164,558.75
  5. Step 5: Solve for x
    x = 9,164,558.75/2,553.61
  6. Step 6: Final answer
    x = 3,588.86

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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.