Home / 3,686.45-5,087.16-2,049.26

Finding the Fourth Proportional to 3,686.45, 5,087.16 and 2,049.26

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Solution

The fourth proportional to 3,686.45, 5,087.16 and 2,049.26 is: 2,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.45 : 5,087.16 = 2,049.26 : x
  2. Step 2: Convert to fraction form
    3,686.45/5,087.16 = 2,049.26/x
  3. Step 3: Cross multiply
    3,686.45x = 5,087.16 × 2,049.26
  4. Step 4: Simplify right side
    3,686.45x = 10,424,888.07
  5. Step 5: Solve for x
    x = 10,424,888.07/3,686.45
  6. Step 6: Final answer
    x = 2,827.90

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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.