Home / 2,382.09-3,307.08-2,310.81

Finding the Fourth Proportional to 2,382.09, 3,307.08 and 2,310.81

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Solution

The fourth proportional to 2,382.09, 3,307.08 and 2,310.81 is: 3,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.09 : 3,307.08 = 2,310.81 : x
  2. Step 2: Convert to fraction form
    2,382.09/3,307.08 = 2,310.81/x
  3. Step 3: Cross multiply
    2,382.09x = 3,307.08 × 2,310.81
  4. Step 4: Simplify right side
    2,382.09x = 7,642,033.53
  5. Step 5: Solve for x
    x = 7,642,033.53/2,382.09
  6. Step 6: Final answer
    x = 3,208.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.