Home / 2,829.07-3,902.61-1,649.71

Finding the Fourth Proportional to 2,829.07, 3,902.61 and 1,649.71

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Solution

The fourth proportional to 2,829.07, 3,902.61 and 1,649.71 is: 2,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.07 : 3,902.61 = 1,649.71 : x
  2. Step 2: Convert to fraction form
    2,829.07/3,902.61 = 1,649.71/x
  3. Step 3: Cross multiply
    2,829.07x = 3,902.61 × 1,649.71
  4. Step 4: Simplify right side
    2,829.07x = 6,438,174.74
  5. Step 5: Solve for x
    x = 6,438,174.74/2,829.07
  6. Step 6: Final answer
    x = 2,275.72

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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.