Home / 3,398.60-5,097.96-1,206.20

Finding the Fourth Proportional to 3,398.60, 5,097.96 and 1,206.20

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Solution

The fourth proportional to 3,398.60, 5,097.96 and 1,206.20 is: 1,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.60 : 5,097.96 = 1,206.20 : x
  2. Step 2: Convert to fraction form
    3,398.60/5,097.96 = 1,206.20/x
  3. Step 3: Cross multiply
    3,398.60x = 5,097.96 × 1,206.20
  4. Step 4: Simplify right side
    3,398.60x = 6,149,159.35
  5. Step 5: Solve for x
    x = 6,149,159.35/3,398.60
  6. Step 6: Final answer
    x = 1,809.32

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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.