Home / 3,326.89-4,990.49-1,246.36

Finding the Fourth Proportional to 3,326.89, 4,990.49 and 1,246.36

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Solution

The fourth proportional to 3,326.89, 4,990.49 and 1,246.36 is: 1,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.89 : 4,990.49 = 1,246.36 : x
  2. Step 2: Convert to fraction form
    3,326.89/4,990.49 = 1,246.36/x
  3. Step 3: Cross multiply
    3,326.89x = 4,990.49 × 1,246.36
  4. Step 4: Simplify right side
    3,326.89x = 6,219,947.12
  5. Step 5: Solve for x
    x = 6,219,947.12/3,326.89
  6. Step 6: Final answer
    x = 1,869.60

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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.