Home / 2,939.96-4,402.65-2,455.16

Finding the Fourth Proportional to 2,939.96, 4,402.65 and 2,455.16

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Solution

The fourth proportional to 2,939.96, 4,402.65 and 2,455.16 is: 3,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.96 : 4,402.65 = 2,455.16 : x
  2. Step 2: Convert to fraction form
    2,939.96/4,402.65 = 2,455.16/x
  3. Step 3: Cross multiply
    2,939.96x = 4,402.65 × 2,455.16
  4. Step 4: Simplify right side
    2,939.96x = 10,809,210.17
  5. Step 5: Solve for x
    x = 10,809,210.17/2,939.96
  6. Step 6: Final answer
    x = 3,676.65

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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.