Home / 2,997.40-4,134.63-2,333.20

Finding the Fourth Proportional to 2,997.40, 4,134.63 and 2,333.20

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Solution

The fourth proportional to 2,997.40, 4,134.63 and 2,333.20 is: 3,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.40 : 4,134.63 = 2,333.20 : x
  2. Step 2: Convert to fraction form
    2,997.40/4,134.63 = 2,333.20/x
  3. Step 3: Cross multiply
    2,997.40x = 4,134.63 × 2,333.20
  4. Step 4: Simplify right side
    2,997.40x = 9,646,918.72
  5. Step 5: Solve for x
    x = 9,646,918.72/2,997.40
  6. Step 6: Final answer
    x = 3,218.43

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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.