Home / 3,515.10-4,849.37-2,186.49

Finding the Fourth Proportional to 3,515.10, 4,849.37 and 2,186.49

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Solution

The fourth proportional to 3,515.10, 4,849.37 and 2,186.49 is: 3,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.10 : 4,849.37 = 2,186.49 : x
  2. Step 2: Convert to fraction form
    3,515.10/4,849.37 = 2,186.49/x
  3. Step 3: Cross multiply
    3,515.10x = 4,849.37 × 2,186.49
  4. Step 4: Simplify right side
    3,515.10x = 10,603,114.46
  5. Step 5: Solve for x
    x = 10,603,114.46/3,515.10
  6. Step 6: Final answer
    x = 3,016.45

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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.