Home / 3,090.63-4,261.47-2,251.71

Finding the Fourth Proportional to 3,090.63, 4,261.47 and 2,251.71

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Solution

The fourth proportional to 3,090.63, 4,261.47 and 2,251.71 is: 3,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.63 : 4,261.47 = 2,251.71 : x
  2. Step 2: Convert to fraction form
    3,090.63/4,261.47 = 2,251.71/x
  3. Step 3: Cross multiply
    3,090.63x = 4,261.47 × 2,251.71
  4. Step 4: Simplify right side
    3,090.63x = 9,595,594.61
  5. Step 5: Solve for x
    x = 9,595,594.61/3,090.63
  6. Step 6: Final answer
    x = 3,104.74

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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.