Home / 2,399.04-3,309.50-2,066.89

Finding the Fourth Proportional to 2,399.04, 3,309.50 and 2,066.89

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Solution

The fourth proportional to 2,399.04, 3,309.50 and 2,066.89 is: 2,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.04 : 3,309.50 = 2,066.89 : x
  2. Step 2: Convert to fraction form
    2,399.04/3,309.50 = 2,066.89/x
  3. Step 3: Cross multiply
    2,399.04x = 3,309.50 × 2,066.89
  4. Step 4: Simplify right side
    2,399.04x = 6,840,372.46
  5. Step 5: Solve for x
    x = 6,840,372.46/2,399.04
  6. Step 6: Final answer
    x = 2,851.30

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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.