Home / 2,849.80-4,274.70-2,331.40

Finding the Fourth Proportional to 2,849.80, 4,274.70 and 2,331.40

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Solution

The fourth proportional to 2,849.80, 4,274.70 and 2,331.40 is: 3,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.80 : 4,274.70 = 2,331.40 : x
  2. Step 2: Convert to fraction form
    2,849.80/4,274.70 = 2,331.40/x
  3. Step 3: Cross multiply
    2,849.80x = 4,274.70 × 2,331.40
  4. Step 4: Simplify right side
    2,849.80x = 9,966,035.58
  5. Step 5: Solve for x
    x = 9,966,035.58/2,849.80
  6. Step 6: Final answer
    x = 3,497.10

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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.