Home / 3,134.98-4,326.32-1,955.84

Finding the Fourth Proportional to 3,134.98, 4,326.32 and 1,955.84

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Solution

The fourth proportional to 3,134.98, 4,326.32 and 1,955.84 is: 2,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.98 : 4,326.32 = 1,955.84 : x
  2. Step 2: Convert to fraction form
    3,134.98/4,326.32 = 1,955.84/x
  3. Step 3: Cross multiply
    3,134.98x = 4,326.32 × 1,955.84
  4. Step 4: Simplify right side
    3,134.98x = 8,461,589.71
  5. Step 5: Solve for x
    x = 8,461,589.71/3,134.98
  6. Step 6: Final answer
    x = 2,699.09

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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.