Home / 2,335.11-3,218.01-1,670.80

Finding the Fourth Proportional to 2,335.11, 3,218.01 and 1,670.80

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Solution

The fourth proportional to 2,335.11, 3,218.01 and 1,670.80 is: 2,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.11 : 3,218.01 = 1,670.80 : x
  2. Step 2: Convert to fraction form
    2,335.11/3,218.01 = 1,670.80/x
  3. Step 3: Cross multiply
    2,335.11x = 3,218.01 × 1,670.80
  4. Step 4: Simplify right side
    2,335.11x = 5,376,651.11
  5. Step 5: Solve for x
    x = 5,376,651.11/2,335.11
  6. Step 6: Final answer
    x = 2,302.53

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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.