Home / 2,942.79-4,061.10-1,616.41

Finding the Fourth Proportional to 2,942.79, 4,061.10 and 1,616.41

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Solution

The fourth proportional to 2,942.79, 4,061.10 and 1,616.41 is: 2,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.79 : 4,061.10 = 1,616.41 : x
  2. Step 2: Convert to fraction form
    2,942.79/4,061.10 = 1,616.41/x
  3. Step 3: Cross multiply
    2,942.79x = 4,061.10 × 1,616.41
  4. Step 4: Simplify right side
    2,942.79x = 6,564,402.65
  5. Step 5: Solve for x
    x = 6,564,402.65/2,942.79
  6. Step 6: Final answer
    x = 2,230.67

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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.