Home / 2,419.34-3,338.38-1,357.00

Finding the Fourth Proportional to 2,419.34, 3,338.38 and 1,357.00

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Solution

The fourth proportional to 2,419.34, 3,338.38 and 1,357.00 is: 1,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.34 : 3,338.38 = 1,357.00 : x
  2. Step 2: Convert to fraction form
    2,419.34/3,338.38 = 1,357.00/x
  3. Step 3: Cross multiply
    2,419.34x = 3,338.38 × 1,357.00
  4. Step 4: Simplify right side
    2,419.34x = 4,530,193.79
  5. Step 5: Solve for x
    x = 4,530,193.79/2,419.34
  6. Step 6: Final answer
    x = 1,872.50

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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.