Home / 3,387.44-4,675.44-2,206.48

Finding the Fourth Proportional to 3,387.44, 4,675.44 and 2,206.48

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Solution

The fourth proportional to 3,387.44, 4,675.44 and 2,206.48 is: 3,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.44 : 4,675.44 = 2,206.48 : x
  2. Step 2: Convert to fraction form
    3,387.44/4,675.44 = 2,206.48/x
  3. Step 3: Cross multiply
    3,387.44x = 4,675.44 × 2,206.48
  4. Step 4: Simplify right side
    3,387.44x = 10,316,264.85
  5. Step 5: Solve for x
    x = 10,316,264.85/3,387.44
  6. Step 6: Final answer
    x = 3,045.45

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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.