Home / 2,319.24-3,479.99-1,020.54

Finding the Fourth Proportional to 2,319.24, 3,479.99 and 1,020.54

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Solution

The fourth proportional to 2,319.24, 3,479.99 and 1,020.54 is: 1,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.24 : 3,479.99 = 1,020.54 : x
  2. Step 2: Convert to fraction form
    2,319.24/3,479.99 = 1,020.54/x
  3. Step 3: Cross multiply
    2,319.24x = 3,479.99 × 1,020.54
  4. Step 4: Simplify right side
    2,319.24x = 3,551,468.99
  5. Step 5: Solve for x
    x = 3,551,468.99/2,319.24
  6. Step 6: Final answer
    x = 1,531.31

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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.