Home / 2,829.80-3,904.56-2,516.36

Finding the Fourth Proportional to 2,829.80, 3,904.56 and 2,516.36

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Solution

The fourth proportional to 2,829.80, 3,904.56 and 2,516.36 is: 3,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.80 : 3,904.56 = 2,516.36 : x
  2. Step 2: Convert to fraction form
    2,829.80/3,904.56 = 2,516.36/x
  3. Step 3: Cross multiply
    2,829.80x = 3,904.56 × 2,516.36
  4. Step 4: Simplify right side
    2,829.80x = 9,825,278.60
  5. Step 5: Solve for x
    x = 9,825,278.60/2,829.80
  6. Step 6: Final answer
    x = 3,472.08

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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.