Home / 3,189.16-4,398.40-2,248.08

Finding the Fourth Proportional to 3,189.16, 4,398.40 and 2,248.08

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Solution

The fourth proportional to 3,189.16, 4,398.40 and 2,248.08 is: 3,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.16 : 4,398.40 = 2,248.08 : x
  2. Step 2: Convert to fraction form
    3,189.16/4,398.40 = 2,248.08/x
  3. Step 3: Cross multiply
    3,189.16x = 4,398.40 × 2,248.08
  4. Step 4: Simplify right side
    3,189.16x = 9,887,955.07
  5. Step 5: Solve for x
    x = 9,887,955.07/3,189.16
  6. Step 6: Final answer
    x = 3,100.49

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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.