Home / 2,479.24-3,720.06-1,018.60

Finding the Fourth Proportional to 2,479.24, 3,720.06 and 1,018.60

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Solution

The fourth proportional to 2,479.24, 3,720.06 and 1,018.60 is: 1,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.24 : 3,720.06 = 1,018.60 : x
  2. Step 2: Convert to fraction form
    2,479.24/3,720.06 = 1,018.60/x
  3. Step 3: Cross multiply
    2,479.24x = 3,720.06 × 1,018.60
  4. Step 4: Simplify right side
    2,479.24x = 3,789,253.12
  5. Step 5: Solve for x
    x = 3,789,253.12/2,479.24
  6. Step 6: Final answer
    x = 1,528.39

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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.