Home / 2,419.64-3,338.90-1,357.26

Finding the Fourth Proportional to 2,419.64, 3,338.90 and 1,357.26

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Solution

The fourth proportional to 2,419.64, 3,338.90 and 1,357.26 is: 1,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.64 : 3,338.90 = 1,357.26 : x
  2. Step 2: Convert to fraction form
    2,419.64/3,338.90 = 1,357.26/x
  3. Step 3: Cross multiply
    2,419.64x = 3,338.90 × 1,357.26
  4. Step 4: Simplify right side
    2,419.64x = 4,531,748.83
  5. Step 5: Solve for x
    x = 4,531,748.83/2,419.64
  6. Step 6: Final answer
    x = 1,872.90

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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.