Home / 2,418.28-3,338.28-1,535.44

Finding the Fourth Proportional to 2,418.28, 3,338.28 and 1,535.44

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Solution

The fourth proportional to 2,418.28, 3,338.28 and 1,535.44 is: 2,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.28 : 3,338.28 = 1,535.44 : x
  2. Step 2: Convert to fraction form
    2,418.28/3,338.28 = 1,535.44/x
  3. Step 3: Cross multiply
    2,418.28x = 3,338.28 × 1,535.44
  4. Step 4: Simplify right side
    2,418.28x = 5,125,728.64
  5. Step 5: Solve for x
    x = 5,125,728.64/2,418.28
  6. Step 6: Final answer
    x = 2,119.58

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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.