Home / 4,261.90-6,392.84-1,340.42

Finding the Fourth Proportional to 4,261.90, 6,392.84 and 1,340.42

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Solution

The fourth proportional to 4,261.90, 6,392.84 and 1,340.42 is: 2,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.90 : 6,392.84 = 1,340.42 : x
  2. Step 2: Convert to fraction form
    4,261.90/6,392.84 = 1,340.42/x
  3. Step 3: Cross multiply
    4,261.90x = 6,392.84 × 1,340.42
  4. Step 4: Simplify right side
    4,261.90x = 8,569,090.59
  5. Step 5: Solve for x
    x = 8,569,090.59/4,261.90
  6. Step 6: Final answer
    x = 2,010.63

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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.