Home / 1,933.90-2,896.80-1,521.08

Finding the Fourth Proportional to 1,933.90, 2,896.80 and 1,521.08

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Solution

The fourth proportional to 1,933.90, 2,896.80 and 1,521.08 is: 2,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.90 : 2,896.80 = 1,521.08 : x
  2. Step 2: Convert to fraction form
    1,933.90/2,896.80 = 1,521.08/x
  3. Step 3: Cross multiply
    1,933.90x = 2,896.80 × 1,521.08
  4. Step 4: Simplify right side
    1,933.90x = 4,406,264.54
  5. Step 5: Solve for x
    x = 4,406,264.54/1,933.90
  6. Step 6: Final answer
    x = 2,278.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.