Home / 3,090.21-4,262.84-2,342.93

Finding the Fourth Proportional to 3,090.21, 4,262.84 and 2,342.93

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Solution

The fourth proportional to 3,090.21, 4,262.84 and 2,342.93 is: 3,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.21 : 4,262.84 = 2,342.93 : x
  2. Step 2: Convert to fraction form
    3,090.21/4,262.84 = 2,342.93/x
  3. Step 3: Cross multiply
    3,090.21x = 4,262.84 × 2,342.93
  4. Step 4: Simplify right side
    3,090.21x = 9,987,548.64
  5. Step 5: Solve for x
    x = 9,987,548.64/3,090.21
  6. Step 6: Final answer
    x = 3,232.00

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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.