Home / 2,419.70-3,338.82-1,475

Finding the Fourth Proportional to 2,419.70, 3,338.82 and 1,475

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Solution

The fourth proportional to 2,419.70, 3,338.82 and 1,475 is: 2,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.70 : 3,338.82 = 1,475 : x
  2. Step 2: Convert to fraction form
    2,419.70/3,338.82 = 1,475/x
  3. Step 3: Cross multiply
    2,419.70x = 3,338.82 × 1,475
  4. Step 4: Simplify right side
    2,419.70x = 4,924,759.50
  5. Step 5: Solve for x
    x = 4,924,759.50/2,419.70
  6. Step 6: Final answer
    x = 2,035.28

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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.