Home / 3,686.68-5,087.46-2,114.92

Finding the Fourth Proportional to 3,686.68, 5,087.46 and 2,114.92

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Solution

The fourth proportional to 3,686.68, 5,087.46 and 2,114.92 is: 2,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.68 : 5,087.46 = 2,114.92 : x
  2. Step 2: Convert to fraction form
    3,686.68/5,087.46 = 2,114.92/x
  3. Step 3: Cross multiply
    3,686.68x = 5,087.46 × 2,114.92
  4. Step 4: Simplify right side
    3,686.68x = 10,759,570.90
  5. Step 5: Solve for x
    x = 10,759,570.90/3,686.68
  6. Step 6: Final answer
    x = 2,918.50

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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.