Home / 2,760.17-4,139.63-1,664.84

Finding the Fourth Proportional to 2,760.17, 4,139.63 and 1,664.84

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Solution

The fourth proportional to 2,760.17, 4,139.63 and 1,664.84 is: 2,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.17 : 4,139.63 = 1,664.84 : x
  2. Step 2: Convert to fraction form
    2,760.17/4,139.63 = 1,664.84/x
  3. Step 3: Cross multiply
    2,760.17x = 4,139.63 × 1,664.84
  4. Step 4: Simplify right side
    2,760.17x = 6,891,813.29
  5. Step 5: Solve for x
    x = 6,891,813.29/2,760.17
  6. Step 6: Final answer
    x = 2,496.88

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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.