Home / 2,088.68-2,882.37-1,302.72

Finding the Fourth Proportional to 2,088.68, 2,882.37 and 1,302.72

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Solution

The fourth proportional to 2,088.68, 2,882.37 and 1,302.72 is: 1,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.68 : 2,882.37 = 1,302.72 : x
  2. Step 2: Convert to fraction form
    2,088.68/2,882.37 = 1,302.72/x
  3. Step 3: Cross multiply
    2,088.68x = 2,882.37 × 1,302.72
  4. Step 4: Simplify right side
    2,088.68x = 3,754,921.05
  5. Step 5: Solve for x
    x = 3,754,921.05/2,088.68
  6. Step 6: Final answer
    x = 1,797.75

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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.