Home / 1,518.08-2,277.50-544.28

Finding the Fourth Proportional to 1,518.08, 2,277.50 and 544.28

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Solution

The fourth proportional to 1,518.08, 2,277.50 and 544.28 is: 816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.08 : 2,277.50 = 544.28 : x
  2. Step 2: Convert to fraction form
    1,518.08/2,277.50 = 544.28/x
  3. Step 3: Cross multiply
    1,518.08x = 2,277.50 × 544.28
  4. Step 4: Simplify right side
    1,518.08x = 1,239,597.70
  5. Step 5: Solve for x
    x = 1,239,597.70/1,518.08
  6. Step 6: Final answer
    x = 816.56

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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.