Home / 3,398.28-5,097.36-1,346.28

Finding the Fourth Proportional to 3,398.28, 5,097.36 and 1,346.28

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Solution

The fourth proportional to 3,398.28, 5,097.36 and 1,346.28 is: 2,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.28 : 5,097.36 = 1,346.28 : x
  2. Step 2: Convert to fraction form
    3,398.28/5,097.36 = 1,346.28/x
  3. Step 3: Cross multiply
    3,398.28x = 5,097.36 × 1,346.28
  4. Step 4: Simplify right side
    3,398.28x = 6,862,473.82
  5. Step 5: Solve for x
    x = 6,862,473.82/3,398.28
  6. Step 6: Final answer
    x = 2,019.40

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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.