Home / 3,126.60-4,314.73-2,007.56

Finding the Fourth Proportional to 3,126.60, 4,314.73 and 2,007.56

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Solution

The fourth proportional to 3,126.60, 4,314.73 and 2,007.56 is: 2,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.60 : 4,314.73 = 2,007.56 : x
  2. Step 2: Convert to fraction form
    3,126.60/4,314.73 = 2,007.56/x
  3. Step 3: Cross multiply
    3,126.60x = 4,314.73 × 2,007.56
  4. Step 4: Simplify right side
    3,126.60x = 8,662,079.36
  5. Step 5: Solve for x
    x = 8,662,079.36/3,126.60
  6. Step 6: Final answer
    x = 2,770.45

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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.