Home / 2,554.64-3,831.54-1,586.72

Finding the Fourth Proportional to 2,554.64, 3,831.54 and 1,586.72

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Solution

The fourth proportional to 2,554.64, 3,831.54 and 1,586.72 is: 2,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.64 : 3,831.54 = 1,586.72 : x
  2. Step 2: Convert to fraction form
    2,554.64/3,831.54 = 1,586.72/x
  3. Step 3: Cross multiply
    2,554.64x = 3,831.54 × 1,586.72
  4. Step 4: Simplify right side
    2,554.64x = 6,079,581.15
  5. Step 5: Solve for x
    x = 6,079,581.15/2,554.64
  6. Step 6: Final answer
    x = 2,379.82

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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.