Home / 2,908.89-4,013.97-1,649.69

Finding the Fourth Proportional to 2,908.89, 4,013.97 and 1,649.69

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Solution

The fourth proportional to 2,908.89, 4,013.97 and 1,649.69 is: 2,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.89 : 4,013.97 = 1,649.69 : x
  2. Step 2: Convert to fraction form
    2,908.89/4,013.97 = 1,649.69/x
  3. Step 3: Cross multiply
    2,908.89x = 4,013.97 × 1,649.69
  4. Step 4: Simplify right side
    2,908.89x = 6,621,806.17
  5. Step 5: Solve for x
    x = 6,621,806.17/2,908.89
  6. Step 6: Final answer
    x = 2,276.40

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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.