Home / 3,247.77-4,470.21-2,774.07

Finding the Fourth Proportional to 3,247.77, 4,470.21 and 2,774.07

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Solution

The fourth proportional to 3,247.77, 4,470.21 and 2,774.07 is: 3,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.77 : 4,470.21 = 2,774.07 : x
  2. Step 2: Convert to fraction form
    3,247.77/4,470.21 = 2,774.07/x
  3. Step 3: Cross multiply
    3,247.77x = 4,470.21 × 2,774.07
  4. Step 4: Simplify right side
    3,247.77x = 12,400,675.45
  5. Step 5: Solve for x
    x = 12,400,675.45/3,247.77
  6. Step 6: Final answer
    x = 3,818.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.