Home / 4,261.98-6,390.81-1,951.50

Finding the Fourth Proportional to 4,261.98, 6,390.81 and 1,951.50

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Solution

The fourth proportional to 4,261.98, 6,390.81 and 1,951.50 is: 2,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.98 : 6,390.81 = 1,951.50 : x
  2. Step 2: Convert to fraction form
    4,261.98/6,390.81 = 1,951.50/x
  3. Step 3: Cross multiply
    4,261.98x = 6,390.81 × 1,951.50
  4. Step 4: Simplify right side
    4,261.98x = 12,471,665.72
  5. Step 5: Solve for x
    x = 12,471,665.72/4,261.98
  6. Step 6: Final answer
    x = 2,926.26

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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.