Home / 2,441.09-3,368.79-1,393.13

Finding the Fourth Proportional to 2,441.09, 3,368.79 and 1,393.13

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Solution

The fourth proportional to 2,441.09, 3,368.79 and 1,393.13 is: 1,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.09 : 3,368.79 = 1,393.13 : x
  2. Step 2: Convert to fraction form
    2,441.09/3,368.79 = 1,393.13/x
  3. Step 3: Cross multiply
    2,441.09x = 3,368.79 × 1,393.13
  4. Step 4: Simplify right side
    2,441.09x = 4,693,145.57
  5. Step 5: Solve for x
    x = 4,693,145.57/2,441.09
  6. Step 6: Final answer
    x = 1,922.57

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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.