Home / 1,519.99-2,096.74-929.50

Finding the Fourth Proportional to 1,519.99, 2,096.74 and 929.50

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Solution

The fourth proportional to 1,519.99, 2,096.74 and 929.50 is: 1,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.99 : 2,096.74 = 929.50 : x
  2. Step 2: Convert to fraction form
    1,519.99/2,096.74 = 929.50/x
  3. Step 3: Cross multiply
    1,519.99x = 2,096.74 × 929.50
  4. Step 4: Simplify right side
    1,519.99x = 1,948,919.83
  5. Step 5: Solve for x
    x = 1,948,919.83/1,519.99
  6. Step 6: Final answer
    x = 1,282.19

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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.