Home / 3,126.66-4,308.83-2,240.93

Finding the Fourth Proportional to 3,126.66, 4,308.83 and 2,240.93

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Solution

The fourth proportional to 3,126.66, 4,308.83 and 2,240.93 is: 3,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.66 : 4,308.83 = 2,240.93 : x
  2. Step 2: Convert to fraction form
    3,126.66/4,308.83 = 2,240.93/x
  3. Step 3: Cross multiply
    3,126.66x = 4,308.83 × 2,240.93
  4. Step 4: Simplify right side
    3,126.66x = 9,655,786.41
  5. Step 5: Solve for x
    x = 9,655,786.41/3,126.66
  6. Step 6: Final answer
    x = 3,088.21

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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.