Home / 3,238.90-4,851.06-1,937.65

Finding the Fourth Proportional to 3,238.90, 4,851.06 and 1,937.65

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Solution

The fourth proportional to 3,238.90, 4,851.06 and 1,937.65 is: 2,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.90 : 4,851.06 = 1,937.65 : x
  2. Step 2: Convert to fraction form
    3,238.90/4,851.06 = 1,937.65/x
  3. Step 3: Cross multiply
    3,238.90x = 4,851.06 × 1,937.65
  4. Step 4: Simplify right side
    3,238.90x = 9,399,656.41
  5. Step 5: Solve for x
    x = 9,399,656.41/3,238.90
  6. Step 6: Final answer
    x = 2,902.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.