Home / 3,685.15-5,528.94-2,126.98

Finding the Fourth Proportional to 3,685.15, 5,528.94 and 2,126.98

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Solution

The fourth proportional to 3,685.15, 5,528.94 and 2,126.98 is: 3,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.15 : 5,528.94 = 2,126.98 : x
  2. Step 2: Convert to fraction form
    3,685.15/5,528.94 = 2,126.98/x
  3. Step 3: Cross multiply
    3,685.15x = 5,528.94 × 2,126.98
  4. Step 4: Simplify right side
    3,685.15x = 11,759,944.80
  5. Step 5: Solve for x
    x = 11,759,944.80/3,685.15
  6. Step 6: Final answer
    x = 3,191.17

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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.