Home / 2,331.24-3,218.12-1,666.94

Finding the Fourth Proportional to 2,331.24, 3,218.12 and 1,666.94

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Solution

The fourth proportional to 2,331.24, 3,218.12 and 1,666.94 is: 2,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.24 : 3,218.12 = 1,666.94 : x
  2. Step 2: Convert to fraction form
    2,331.24/3,218.12 = 1,666.94/x
  3. Step 3: Cross multiply
    2,331.24x = 3,218.12 × 1,666.94
  4. Step 4: Simplify right side
    2,331.24x = 5,364,412.95
  5. Step 5: Solve for x
    x = 5,364,412.95/2,331.24
  6. Step 6: Final answer
    x = 2,301.10

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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.