Home / 2,829.66-4,215.32-2,743.68

Finding the Fourth Proportional to 2,829.66, 4,215.32 and 2,743.68

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Solution

The fourth proportional to 2,829.66, 4,215.32 and 2,743.68 is: 4,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.66 : 4,215.32 = 2,743.68 : x
  2. Step 2: Convert to fraction form
    2,829.66/4,215.32 = 2,743.68/x
  3. Step 3: Cross multiply
    2,829.66x = 4,215.32 × 2,743.68
  4. Step 4: Simplify right side
    2,829.66x = 11,565,475.46
  5. Step 5: Solve for x
    x = 11,565,475.46/2,829.66
  6. Step 6: Final answer
    x = 4,087.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.