Home / 3,916.65-5,402.80-2,423.62

Finding the Fourth Proportional to 3,916.65, 5,402.80 and 2,423.62

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Solution

The fourth proportional to 3,916.65, 5,402.80 and 2,423.62 is: 3,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.65 : 5,402.80 = 2,423.62 : x
  2. Step 2: Convert to fraction form
    3,916.65/5,402.80 = 2,423.62/x
  3. Step 3: Cross multiply
    3,916.65x = 5,402.80 × 2,423.62
  4. Step 4: Simplify right side
    3,916.65x = 13,094,343.92
  5. Step 5: Solve for x
    x = 13,094,343.92/3,916.65
  6. Step 6: Final answer
    x = 3,343.25

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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.