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Finding the Fourth Proportional to 3,518.57, 4,856.13 and 2,026.34

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Solution

The fourth proportional to 3,518.57, 4,856.13 and 2,026.34 is: 2,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.57 : 4,856.13 = 2,026.34 : x
  2. Step 2: Convert to fraction form
    3,518.57/4,856.13 = 2,026.34/x
  3. Step 3: Cross multiply
    3,518.57x = 4,856.13 × 2,026.34
  4. Step 4: Simplify right side
    3,518.57x = 9,840,170.46
  5. Step 5: Solve for x
    x = 9,840,170.46/3,518.57
  6. Step 6: Final answer
    x = 2,796.64

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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.