Home / 2,298.20-3,170.49-1,966.10

Finding the Fourth Proportional to 2,298.20, 3,170.49 and 1,966.10

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Solution

The fourth proportional to 2,298.20, 3,170.49 and 1,966.10 is: 2,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,170.49 = 1,966.10 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,170.49 = 1,966.10/x
  3. Step 3: Cross multiply
    2,298.20x = 3,170.49 × 1,966.10
  4. Step 4: Simplify right side
    2,298.20x = 6,233,500.39
  5. Step 5: Solve for x
    x = 6,233,500.39/2,298.20
  6. Step 6: Final answer
    x = 2,712.34

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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.