Home / 2,279.52-3,420.10-1,184.40

Finding the Fourth Proportional to 2,279.52, 3,420.10 and 1,184.40

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Solution

The fourth proportional to 2,279.52, 3,420.10 and 1,184.40 is: 1,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.52 : 3,420.10 = 1,184.40 : x
  2. Step 2: Convert to fraction form
    2,279.52/3,420.10 = 1,184.40/x
  3. Step 3: Cross multiply
    2,279.52x = 3,420.10 × 1,184.40
  4. Step 4: Simplify right side
    2,279.52x = 4,050,766.44
  5. Step 5: Solve for x
    x = 4,050,766.44/2,279.52
  6. Step 6: Final answer
    x = 1,777.03

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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.