Home / 1,519.87-2,277.21-933.10

Finding the Fourth Proportional to 1,519.87, 2,277.21 and 933.10

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Solution

The fourth proportional to 1,519.87, 2,277.21 and 933.10 is: 1,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.87 : 2,277.21 = 933.10 : x
  2. Step 2: Convert to fraction form
    1,519.87/2,277.21 = 933.10/x
  3. Step 3: Cross multiply
    1,519.87x = 2,277.21 × 933.10
  4. Step 4: Simplify right side
    1,519.87x = 2,124,864.65
  5. Step 5: Solve for x
    x = 2,124,864.65/1,519.87
  6. Step 6: Final answer
    x = 1,398.06

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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.