Home / 3,686.77-5,087.56-2,008.07

Finding the Fourth Proportional to 3,686.77, 5,087.56 and 2,008.07

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Solution

The fourth proportional to 3,686.77, 5,087.56 and 2,008.07 is: 2,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.77 : 5,087.56 = 2,008.07 : x
  2. Step 2: Convert to fraction form
    3,686.77/5,087.56 = 2,008.07/x
  3. Step 3: Cross multiply
    3,686.77x = 5,087.56 × 2,008.07
  4. Step 4: Simplify right side
    3,686.77x = 10,216,154.69
  5. Step 5: Solve for x
    x = 10,216,154.69/3,686.77
  6. Step 6: Final answer
    x = 2,771.03

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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.