Home / 3,868.97-5,349.06-2,929.68

Finding the Fourth Proportional to 3,868.97, 5,349.06 and 2,929.68

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Solution

The fourth proportional to 3,868.97, 5,349.06 and 2,929.68 is: 4,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.97 : 5,349.06 = 2,929.68 : x
  2. Step 2: Convert to fraction form
    3,868.97/5,349.06 = 2,929.68/x
  3. Step 3: Cross multiply
    3,868.97x = 5,349.06 × 2,929.68
  4. Step 4: Simplify right side
    3,868.97x = 15,671,034.10
  5. Step 5: Solve for x
    x = 15,671,034.10/3,868.97
  6. Step 6: Final answer
    x = 4,050.45

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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.