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Finding the Fourth Proportional to 2,794.12, 3,856.02 and 1,552.12

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Solution

The fourth proportional to 2,794.12, 3,856.02 and 1,552.12 is: 2,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.12 : 3,856.02 = 1,552.12 : x
  2. Step 2: Convert to fraction form
    2,794.12/3,856.02 = 1,552.12/x
  3. Step 3: Cross multiply
    2,794.12x = 3,856.02 × 1,552.12
  4. Step 4: Simplify right side
    2,794.12x = 5,985,005.76
  5. Step 5: Solve for x
    x = 5,985,005.76/2,794.12
  6. Step 6: Final answer
    x = 2,142.00

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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.