Home / 1,518.88-2,095.62-929.56

Finding the Fourth Proportional to 1,518.88, 2,095.62 and 929.56

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Solution

The fourth proportional to 1,518.88, 2,095.62 and 929.56 is: 1,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.88 : 2,095.62 = 929.56 : x
  2. Step 2: Convert to fraction form
    1,518.88/2,095.62 = 929.56/x
  3. Step 3: Cross multiply
    1,518.88x = 2,095.62 × 929.56
  4. Step 4: Simplify right side
    1,518.88x = 1,948,004.53
  5. Step 5: Solve for x
    x = 1,948,004.53/1,518.88
  6. Step 6: Final answer
    x = 1,282.53

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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.