Home / 3,518.96-4,856.15-1,947.02

Finding the Fourth Proportional to 3,518.96, 4,856.15 and 1,947.02

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Solution

The fourth proportional to 3,518.96, 4,856.15 and 1,947.02 is: 2,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.96 : 4,856.15 = 1,947.02 : x
  2. Step 2: Convert to fraction form
    3,518.96/4,856.15 = 1,947.02/x
  3. Step 3: Cross multiply
    3,518.96x = 4,856.15 × 1,947.02
  4. Step 4: Simplify right side
    3,518.96x = 9,455,011.44
  5. Step 5: Solve for x
    x = 9,455,011.44/3,518.96
  6. Step 6: Final answer
    x = 2,686.88

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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.