Home / 3,410.39-5,115.51-1,770.14

Finding the Fourth Proportional to 3,410.39, 5,115.51 and 1,770.14

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Solution

The fourth proportional to 3,410.39, 5,115.51 and 1,770.14 is: 2,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.39 : 5,115.51 = 1,770.14 : x
  2. Step 2: Convert to fraction form
    3,410.39/5,115.51 = 1,770.14/x
  3. Step 3: Cross multiply
    3,410.39x = 5,115.51 × 1,770.14
  4. Step 4: Simplify right side
    3,410.39x = 9,055,143.29
  5. Step 5: Solve for x
    x = 9,055,143.29/3,410.39
  6. Step 6: Final answer
    x = 2,655.17

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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.