Home / 2,666.12-4,001.26-1,850.14

Finding the Fourth Proportional to 2,666.12, 4,001.26 and 1,850.14

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Solution

The fourth proportional to 2,666.12, 4,001.26 and 1,850.14 is: 2,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.12 : 4,001.26 = 1,850.14 : x
  2. Step 2: Convert to fraction form
    2,666.12/4,001.26 = 1,850.14/x
  3. Step 3: Cross multiply
    2,666.12x = 4,001.26 × 1,850.14
  4. Step 4: Simplify right side
    2,666.12x = 7,402,891.18
  5. Step 5: Solve for x
    x = 7,402,891.18/2,666.12
  6. Step 6: Final answer
    x = 2,776.65

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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.