Home / 2,419.07-3,338.35-1,371.13

Finding the Fourth Proportional to 2,419.07, 3,338.35 and 1,371.13

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Solution

The fourth proportional to 2,419.07, 3,338.35 and 1,371.13 is: 1,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.07 : 3,338.35 = 1,371.13 : x
  2. Step 2: Convert to fraction form
    2,419.07/3,338.35 = 1,371.13/x
  3. Step 3: Cross multiply
    2,419.07x = 3,338.35 × 1,371.13
  4. Step 4: Simplify right side
    2,419.07x = 4,577,300.06
  5. Step 5: Solve for x
    x = 4,577,300.06/2,419.07
  6. Step 6: Final answer
    x = 1,892.18

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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.