Home / 3,090.13-4,261.12-2,335.65

Finding the Fourth Proportional to 3,090.13, 4,261.12 and 2,335.65

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Solution

The fourth proportional to 3,090.13, 4,261.12 and 2,335.65 is: 3,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.13 : 4,261.12 = 2,335.65 : x
  2. Step 2: Convert to fraction form
    3,090.13/4,261.12 = 2,335.65/x
  3. Step 3: Cross multiply
    3,090.13x = 4,261.12 × 2,335.65
  4. Step 4: Simplify right side
    3,090.13x = 9,952,463.11
  5. Step 5: Solve for x
    x = 9,952,463.11/3,090.13
  6. Step 6: Final answer
    x = 3,220.73

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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.