Home / 2,419.77-3,338.15-1,755.17

Finding the Fourth Proportional to 2,419.77, 3,338.15 and 1,755.17

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Solution

The fourth proportional to 2,419.77, 3,338.15 and 1,755.17 is: 2,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.77 : 3,338.15 = 1,755.17 : x
  2. Step 2: Convert to fraction form
    2,419.77/3,338.15 = 1,755.17/x
  3. Step 3: Cross multiply
    2,419.77x = 3,338.15 × 1,755.17
  4. Step 4: Simplify right side
    2,419.77x = 5,858,995.27
  5. Step 5: Solve for x
    x = 5,858,995.27/2,419.77
  6. Step 6: Final answer
    x = 2,421.30

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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.