Home / 2,929.11-4,039.30-2,686.00

Finding the Fourth Proportional to 2,929.11, 4,039.30 and 2,686.00

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Solution

The fourth proportional to 2,929.11, 4,039.30 and 2,686.00 is: 3,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.11 : 4,039.30 = 2,686.00 : x
  2. Step 2: Convert to fraction form
    2,929.11/4,039.30 = 2,686.00/x
  3. Step 3: Cross multiply
    2,929.11x = 4,039.30 × 2,686.00
  4. Step 4: Simplify right side
    2,929.11x = 10,849,556.47
  5. Step 5: Solve for x
    x = 10,849,556.47/2,929.11
  6. Step 6: Final answer
    x = 3,704.04

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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.