Home / 3,103.06-4,654.60-2,947.34

Finding the Fourth Proportional to 3,103.06, 4,654.60 and 2,947.34

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Solution

The fourth proportional to 3,103.06, 4,654.60 and 2,947.34 is: 4,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.06 : 4,654.60 = 2,947.34 : x
  2. Step 2: Convert to fraction form
    3,103.06/4,654.60 = 2,947.34/x
  3. Step 3: Cross multiply
    3,103.06x = 4,654.60 × 2,947.34
  4. Step 4: Simplify right side
    3,103.06x = 13,718,688.76
  5. Step 5: Solve for x
    x = 13,718,688.76/3,103.06
  6. Step 6: Final answer
    x = 4,421.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.