Home / 3,310.65-4,568.12-1,985.08

Finding the Fourth Proportional to 3,310.65, 4,568.12 and 1,985.08

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Solution

The fourth proportional to 3,310.65, 4,568.12 and 1,985.08 is: 2,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.65 : 4,568.12 = 1,985.08 : x
  2. Step 2: Convert to fraction form
    3,310.65/4,568.12 = 1,985.08/x
  3. Step 3: Cross multiply
    3,310.65x = 4,568.12 × 1,985.08
  4. Step 4: Simplify right side
    3,310.65x = 9,068,083.65
  5. Step 5: Solve for x
    x = 9,068,083.65/3,310.65
  6. Step 6: Final answer
    x = 2,739.06

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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.