Home / 2,218.36-3,060.60-1,660.84

Finding the Fourth Proportional to 2,218.36, 3,060.60 and 1,660.84

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Solution

The fourth proportional to 2,218.36, 3,060.60 and 1,660.84 is: 2,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.36 : 3,060.60 = 1,660.84 : x
  2. Step 2: Convert to fraction form
    2,218.36/3,060.60 = 1,660.84/x
  3. Step 3: Cross multiply
    2,218.36x = 3,060.60 × 1,660.84
  4. Step 4: Simplify right side
    2,218.36x = 5,083,166.90
  5. Step 5: Solve for x
    x = 5,083,166.90/2,218.36
  6. Step 6: Final answer
    x = 2,291.41

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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.