Home / 2,088.24-2,882.16-1,382.76

Finding the Fourth Proportional to 2,088.24, 2,882.16 and 1,382.76

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Solution

The fourth proportional to 2,088.24, 2,882.16 and 1,382.76 is: 1,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.24 : 2,882.16 = 1,382.76 : x
  2. Step 2: Convert to fraction form
    2,088.24/2,882.16 = 1,382.76/x
  3. Step 3: Cross multiply
    2,088.24x = 2,882.16 × 1,382.76
  4. Step 4: Simplify right side
    2,088.24x = 3,985,335.56
  5. Step 5: Solve for x
    x = 3,985,335.56/2,088.24
  6. Step 6: Final answer
    x = 1,908.47

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1.5x scale

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.