Home / 2,666.48-4,001.08-2,021.18

Finding the Fourth Proportional to 2,666.48, 4,001.08 and 2,021.18

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Solution

The fourth proportional to 2,666.48, 4,001.08 and 2,021.18 is: 3,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.48 : 4,001.08 = 2,021.18 : x
  2. Step 2: Convert to fraction form
    2,666.48/4,001.08 = 2,021.18/x
  3. Step 3: Cross multiply
    2,666.48x = 4,001.08 × 2,021.18
  4. Step 4: Simplify right side
    2,666.48x = 8,086,902.87
  5. Step 5: Solve for x
    x = 8,086,902.87/2,666.48
  6. Step 6: Final answer
    x = 3,032.80

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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.