Home / 2,882.51-4,320.85-1,126.43

Finding the Fourth Proportional to 2,882.51, 4,320.85 and 1,126.43

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Solution

The fourth proportional to 2,882.51, 4,320.85 and 1,126.43 is: 1,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.51 : 4,320.85 = 1,126.43 : x
  2. Step 2: Convert to fraction form
    2,882.51/4,320.85 = 1,126.43/x
  3. Step 3: Cross multiply
    2,882.51x = 4,320.85 × 1,126.43
  4. Step 4: Simplify right side
    2,882.51x = 4,867,135.07
  5. Step 5: Solve for x
    x = 4,867,135.07/2,882.51
  6. Step 6: Final answer
    x = 1,688.51

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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.