Home / 3,330.14-4,990.05-2,341.20

Finding the Fourth Proportional to 3,330.14, 4,990.05 and 2,341.20

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Solution

The fourth proportional to 3,330.14, 4,990.05 and 2,341.20 is: 3,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.14 : 4,990.05 = 2,341.20 : x
  2. Step 2: Convert to fraction form
    3,330.14/4,990.05 = 2,341.20/x
  3. Step 3: Cross multiply
    3,330.14x = 4,990.05 × 2,341.20
  4. Step 4: Simplify right side
    3,330.14x = 11,682,705.06
  5. Step 5: Solve for x
    x = 11,682,705.06/3,330.14
  6. Step 6: Final answer
    x = 3,508.17

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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.