Home / 3,077.85-4,247.65-1,751.98

Finding the Fourth Proportional to 3,077.85, 4,247.65 and 1,751.98

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Solution

The fourth proportional to 3,077.85, 4,247.65 and 1,751.98 is: 2,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.85 : 4,247.65 = 1,751.98 : x
  2. Step 2: Convert to fraction form
    3,077.85/4,247.65 = 1,751.98/x
  3. Step 3: Cross multiply
    3,077.85x = 4,247.65 × 1,751.98
  4. Step 4: Simplify right side
    3,077.85x = 7,441,797.85
  5. Step 5: Solve for x
    x = 7,441,797.85/3,077.85
  6. Step 6: Final answer
    x = 2,417.86

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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.