Home / 3,346.78-4,617.45-2,019.98

Finding the Fourth Proportional to 3,346.78, 4,617.45 and 2,019.98

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Solution

The fourth proportional to 3,346.78, 4,617.45 and 2,019.98 is: 2,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.78 : 4,617.45 = 2,019.98 : x
  2. Step 2: Convert to fraction form
    3,346.78/4,617.45 = 2,019.98/x
  3. Step 3: Cross multiply
    3,346.78x = 4,617.45 × 2,019.98
  4. Step 4: Simplify right side
    3,346.78x = 9,327,156.65
  5. Step 5: Solve for x
    x = 9,327,156.65/3,346.78
  6. Step 6: Final answer
    x = 2,786.90

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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.