Home / 2,849.04-3,929.28-2,258.64

Finding the Fourth Proportional to 2,849.04, 3,929.28 and 2,258.64

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Solution

The fourth proportional to 2,849.04, 3,929.28 and 2,258.64 is: 3,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.04 : 3,929.28 = 2,258.64 : x
  2. Step 2: Convert to fraction form
    2,849.04/3,929.28 = 2,258.64/x
  3. Step 3: Cross multiply
    2,849.04x = 3,929.28 × 2,258.64
  4. Step 4: Simplify right side
    2,849.04x = 8,874,828.98
  5. Step 5: Solve for x
    x = 8,874,828.98/2,849.04
  6. Step 6: Final answer
    x = 3,115.02

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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.