Home / 4,122.23-5,688.63-2,233.76

Finding the Fourth Proportional to 4,122.23, 5,688.63 and 2,233.76

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Solution

The fourth proportional to 4,122.23, 5,688.63 and 2,233.76 is: 3,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.23 : 5,688.63 = 2,233.76 : x
  2. Step 2: Convert to fraction form
    4,122.23/5,688.63 = 2,233.76/x
  3. Step 3: Cross multiply
    4,122.23x = 5,688.63 × 2,233.76
  4. Step 4: Simplify right side
    4,122.23x = 12,707,005.71
  5. Step 5: Solve for x
    x = 12,707,005.71/4,122.23
  6. Step 6: Final answer
    x = 3,082.56

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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.