Home / 3,948.10-5,916.49-2,899.87

Finding the Fourth Proportional to 3,948.10, 5,916.49 and 2,899.87

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Solution

The fourth proportional to 3,948.10, 5,916.49 and 2,899.87 is: 4,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.10 : 5,916.49 = 2,899.87 : x
  2. Step 2: Convert to fraction form
    3,948.10/5,916.49 = 2,899.87/x
  3. Step 3: Cross multiply
    3,948.10x = 5,916.49 × 2,899.87
  4. Step 4: Simplify right side
    3,948.10x = 17,157,051.86
  5. Step 5: Solve for x
    x = 17,157,051.86/3,948.10
  6. Step 6: Final answer
    x = 4,345.65

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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.