Home / 2,419.05-3,338.03-1,424.64

Finding the Fourth Proportional to 2,419.05, 3,338.03 and 1,424.64

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Solution

The fourth proportional to 2,419.05, 3,338.03 and 1,424.64 is: 1,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.05 : 3,338.03 = 1,424.64 : x
  2. Step 2: Convert to fraction form
    2,419.05/3,338.03 = 1,424.64/x
  3. Step 3: Cross multiply
    2,419.05x = 3,338.03 × 1,424.64
  4. Step 4: Simplify right side
    2,419.05x = 4,755,483.94
  5. Step 5: Solve for x
    x = 4,755,483.94/2,419.05
  6. Step 6: Final answer
    x = 1,965.85

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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.