Home / 2,419.96-3,338.40-1,634.28

Finding the Fourth Proportional to 2,419.96, 3,338.40 and 1,634.28

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Solution

The fourth proportional to 2,419.96, 3,338.40 and 1,634.28 is: 2,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.96 : 3,338.40 = 1,634.28 : x
  2. Step 2: Convert to fraction form
    2,419.96/3,338.40 = 1,634.28/x
  3. Step 3: Cross multiply
    2,419.96x = 3,338.40 × 1,634.28
  4. Step 4: Simplify right side
    2,419.96x = 5,455,880.35
  5. Step 5: Solve for x
    x = 5,455,880.35/2,419.96
  6. Step 6: Final answer
    x = 2,254.53

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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.