Home / 2,829.60-3,904.20-1,649.97

Finding the Fourth Proportional to 2,829.60, 3,904.20 and 1,649.97

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Solution

The fourth proportional to 2,829.60, 3,904.20 and 1,649.97 is: 2,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.60 : 3,904.20 = 1,649.97 : x
  2. Step 2: Convert to fraction form
    2,829.60/3,904.20 = 1,649.97/x
  3. Step 3: Cross multiply
    2,829.60x = 3,904.20 × 1,649.97
  4. Step 4: Simplify right side
    2,829.60x = 6,441,812.87
  5. Step 5: Solve for x
    x = 6,441,812.87/2,829.60
  6. Step 6: Final answer
    x = 2,276.58

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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.