Home / 3,056.60-4,218.20-2,148.23

Finding the Fourth Proportional to 3,056.60, 4,218.20 and 2,148.23

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Solution

The fourth proportional to 3,056.60, 4,218.20 and 2,148.23 is: 2,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.60 : 4,218.20 = 2,148.23 : x
  2. Step 2: Convert to fraction form
    3,056.60/4,218.20 = 2,148.23/x
  3. Step 3: Cross multiply
    3,056.60x = 4,218.20 × 2,148.23
  4. Step 4: Simplify right side
    3,056.60x = 9,061,631.95
  5. Step 5: Solve for x
    x = 9,061,631.95/3,056.60
  6. Step 6: Final answer
    x = 2,964.62

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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.