Home / 4,191.98-6,288.88-1,270.51

Finding the Fourth Proportional to 4,191.98, 6,288.88 and 1,270.51

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Solution

The fourth proportional to 4,191.98, 6,288.88 and 1,270.51 is: 1,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.98 : 6,288.88 = 1,270.51 : x
  2. Step 2: Convert to fraction form
    4,191.98/6,288.88 = 1,270.51/x
  3. Step 3: Cross multiply
    4,191.98x = 6,288.88 × 1,270.51
  4. Step 4: Simplify right side
    4,191.98x = 7,990,084.31
  5. Step 5: Solve for x
    x = 7,990,084.31/4,191.98
  6. Step 6: Final answer
    x = 1,906.04

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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.