Home / 3,992.51-5,510.49-2,399.24

Finding the Fourth Proportional to 3,992.51, 5,510.49 and 2,399.24

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Solution

The fourth proportional to 3,992.51, 5,510.49 and 2,399.24 is: 3,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.51 : 5,510.49 = 2,399.24 : x
  2. Step 2: Convert to fraction form
    3,992.51/5,510.49 = 2,399.24/x
  3. Step 3: Cross multiply
    3,992.51x = 5,510.49 × 2,399.24
  4. Step 4: Simplify right side
    3,992.51x = 13,220,988.03
  5. Step 5: Solve for x
    x = 13,220,988.03/3,992.51
  6. Step 6: Final answer
    x = 3,311.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.