Home / 3,983.95-5,970.45-2,520.48

Finding the Fourth Proportional to 3,983.95, 5,970.45 and 2,520.48

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Solution

The fourth proportional to 3,983.95, 5,970.45 and 2,520.48 is: 3,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.95 : 5,970.45 = 2,520.48 : x
  2. Step 2: Convert to fraction form
    3,983.95/5,970.45 = 2,520.48/x
  3. Step 3: Cross multiply
    3,983.95x = 5,970.45 × 2,520.48
  4. Step 4: Simplify right side
    3,983.95x = 15,048,399.82
  5. Step 5: Solve for x
    x = 15,048,399.82/3,983.95
  6. Step 6: Final answer
    x = 3,777.26

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1.5x scale

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.