Home / 2,848.30-3,926.58-2,217.70

Finding the Fourth Proportional to 2,848.30, 3,926.58 and 2,217.70

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Solution

The fourth proportional to 2,848.30, 3,926.58 and 2,217.70 is: 3,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.30 : 3,926.58 = 2,217.70 : x
  2. Step 2: Convert to fraction form
    2,848.30/3,926.58 = 2,217.70/x
  3. Step 3: Cross multiply
    2,848.30x = 3,926.58 × 2,217.70
  4. Step 4: Simplify right side
    2,848.30x = 8,707,976.47
  5. Step 5: Solve for x
    x = 8,707,976.47/2,848.30
  6. Step 6: Final answer
    x = 3,057.25

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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.