Home / 2,049.08-3,076.35-1,217.69

Finding the Fourth Proportional to 2,049.08, 3,076.35 and 1,217.69

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Solution

The fourth proportional to 2,049.08, 3,076.35 and 1,217.69 is: 1,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.08 : 3,076.35 = 1,217.69 : x
  2. Step 2: Convert to fraction form
    2,049.08/3,076.35 = 1,217.69/x
  3. Step 3: Cross multiply
    2,049.08x = 3,076.35 × 1,217.69
  4. Step 4: Simplify right side
    2,049.08x = 3,746,040.63
  5. Step 5: Solve for x
    x = 3,746,040.63/2,049.08
  6. Step 6: Final answer
    x = 1,828.16

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1.5x scale

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.