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Finding the Fourth Proportional to 2,143.03, 2,956.22 and 1,552.54

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Solution

The fourth proportional to 2,143.03, 2,956.22 and 1,552.54 is: 2,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.03 : 2,956.22 = 1,552.54 : x
  2. Step 2: Convert to fraction form
    2,143.03/2,956.22 = 1,552.54/x
  3. Step 3: Cross multiply
    2,143.03x = 2,956.22 × 1,552.54
  4. Step 4: Simplify right side
    2,143.03x = 4,589,642.04
  5. Step 5: Solve for x
    x = 4,589,642.04/2,143.03
  6. Step 6: Final answer
    x = 2,141.66

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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.