Home / 3,916.96-5,403.93-2,500.70

Finding the Fourth Proportional to 3,916.96, 5,403.93 and 2,500.70

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Solution

The fourth proportional to 3,916.96, 5,403.93 and 2,500.70 is: 3,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.96 : 5,403.93 = 2,500.70 : x
  2. Step 2: Convert to fraction form
    3,916.96/5,403.93 = 2,500.70/x
  3. Step 3: Cross multiply
    3,916.96x = 5,403.93 × 2,500.70
  4. Step 4: Simplify right side
    3,916.96x = 13,513,607.75
  5. Step 5: Solve for x
    x = 13,513,607.75/3,916.96
  6. Step 6: Final answer
    x = 3,450.02

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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.