Home / 3,390.36-4,680.48-2,197.05

Finding the Fourth Proportional to 3,390.36, 4,680.48 and 2,197.05

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Solution

The fourth proportional to 3,390.36, 4,680.48 and 2,197.05 is: 3,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.36 : 4,680.48 = 2,197.05 : x
  2. Step 2: Convert to fraction form
    3,390.36/4,680.48 = 2,197.05/x
  3. Step 3: Cross multiply
    3,390.36x = 4,680.48 × 2,197.05
  4. Step 4: Simplify right side
    3,390.36x = 10,283,248.58
  5. Step 5: Solve for x
    x = 10,283,248.58/3,390.36
  6. Step 6: Final answer
    x = 3,033.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.