Home / 3,346.05-5,020.98-1,398.18

Finding the Fourth Proportional to 3,346.05, 5,020.98 and 1,398.18

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Solution

The fourth proportional to 3,346.05, 5,020.98 and 1,398.18 is: 2,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.05 : 5,020.98 = 1,398.18 : x
  2. Step 2: Convert to fraction form
    3,346.05/5,020.98 = 1,398.18/x
  3. Step 3: Cross multiply
    3,346.05x = 5,020.98 × 1,398.18
  4. Step 4: Simplify right side
    3,346.05x = 7,020,233.82
  5. Step 5: Solve for x
    x = 7,020,233.82/3,346.05
  6. Step 6: Final answer
    x = 2,098.07

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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.