Home / 3,815.02-5,267.13-2,929.12

Finding the Fourth Proportional to 3,815.02, 5,267.13 and 2,929.12

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Solution

The fourth proportional to 3,815.02, 5,267.13 and 2,929.12 is: 4,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.02 : 5,267.13 = 2,929.12 : x
  2. Step 2: Convert to fraction form
    3,815.02/5,267.13 = 2,929.12/x
  3. Step 3: Cross multiply
    3,815.02x = 5,267.13 × 2,929.12
  4. Step 4: Simplify right side
    3,815.02x = 15,428,055.83
  5. Step 5: Solve for x
    x = 15,428,055.83/3,815.02
  6. Step 6: Final answer
    x = 4,044.03

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1.5x scale

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.