Home / 3,126.34-4,314.93-2,008.68

Finding the Fourth Proportional to 3,126.34, 4,314.93 and 2,008.68

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Solution

The fourth proportional to 3,126.34, 4,314.93 and 2,008.68 is: 2,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.34 : 4,314.93 = 2,008.68 : x
  2. Step 2: Convert to fraction form
    3,126.34/4,314.93 = 2,008.68/x
  3. Step 3: Cross multiply
    3,126.34x = 4,314.93 × 2,008.68
  4. Step 4: Simplify right side
    3,126.34x = 8,667,292.39
  5. Step 5: Solve for x
    x = 8,667,292.39/3,126.34
  6. Step 6: Final answer
    x = 2,772.34

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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.