Home / 3,518.07-5,275.16-1,439.54

Finding the Fourth Proportional to 3,518.07, 5,275.16 and 1,439.54

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Solution

The fourth proportional to 3,518.07, 5,275.16 and 1,439.54 is: 2,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.07 : 5,275.16 = 1,439.54 : x
  2. Step 2: Convert to fraction form
    3,518.07/5,275.16 = 1,439.54/x
  3. Step 3: Cross multiply
    3,518.07x = 5,275.16 × 1,439.54
  4. Step 4: Simplify right side
    3,518.07x = 7,593,777.45
  5. Step 5: Solve for x
    x = 7,593,777.45/3,518.07
  6. Step 6: Final answer
    x = 2,158.51

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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.