Home / 2,279.98-3,421.77-1,184.68

Finding the Fourth Proportional to 2,279.98, 3,421.77 and 1,184.68

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Solution

The fourth proportional to 2,279.98, 3,421.77 and 1,184.68 is: 1,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.98 : 3,421.77 = 1,184.68 : x
  2. Step 2: Convert to fraction form
    2,279.98/3,421.77 = 1,184.68/x
  3. Step 3: Cross multiply
    2,279.98x = 3,421.77 × 1,184.68
  4. Step 4: Simplify right side
    2,279.98x = 4,053,702.48
  5. Step 5: Solve for x
    x = 4,053,702.48/2,279.98
  6. Step 6: Final answer
    x = 1,777.96

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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.