Home / 2,080.95-3,120.20-1,423.84

Finding the Fourth Proportional to 2,080.95, 3,120.20 and 1,423.84

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Solution

The fourth proportional to 2,080.95, 3,120.20 and 1,423.84 is: 2,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.95 : 3,120.20 = 1,423.84 : x
  2. Step 2: Convert to fraction form
    2,080.95/3,120.20 = 1,423.84/x
  3. Step 3: Cross multiply
    2,080.95x = 3,120.20 × 1,423.84
  4. Step 4: Simplify right side
    2,080.95x = 4,442,649.97
  5. Step 5: Solve for x
    x = 4,442,649.97/2,080.95
  6. Step 6: Final answer
    x = 2,134.92

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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.