Home / 3,086.55-4,259.24-1,907.43

Finding the Fourth Proportional to 3,086.55, 4,259.24 and 1,907.43

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Solution

The fourth proportional to 3,086.55, 4,259.24 and 1,907.43 is: 2,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.55 : 4,259.24 = 1,907.43 : x
  2. Step 2: Convert to fraction form
    3,086.55/4,259.24 = 1,907.43/x
  3. Step 3: Cross multiply
    3,086.55x = 4,259.24 × 1,907.43
  4. Step 4: Simplify right side
    3,086.55x = 8,124,192.62
  5. Step 5: Solve for x
    x = 8,124,192.62/3,086.55
  6. Step 6: Final answer
    x = 2,632.13

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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.