Home / 3,134.46-4,326.20-1,807.99

Finding the Fourth Proportional to 3,134.46, 4,326.20 and 1,807.99

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Solution

The fourth proportional to 3,134.46, 4,326.20 and 1,807.99 is: 2,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.46 : 4,326.20 = 1,807.99 : x
  2. Step 2: Convert to fraction form
    3,134.46/4,326.20 = 1,807.99/x
  3. Step 3: Cross multiply
    3,134.46x = 4,326.20 × 1,807.99
  4. Step 4: Simplify right side
    3,134.46x = 7,821,713.26
  5. Step 5: Solve for x
    x = 7,821,713.26/3,134.46
  6. Step 6: Final answer
    x = 2,495.39

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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.