Home / 2,220.16-3,062.40-1,336.24

Finding the Fourth Proportional to 2,220.16, 3,062.40 and 1,336.24

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Solution

The fourth proportional to 2,220.16, 3,062.40 and 1,336.24 is: 1,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.16 : 3,062.40 = 1,336.24 : x
  2. Step 2: Convert to fraction form
    2,220.16/3,062.40 = 1,336.24/x
  3. Step 3: Cross multiply
    2,220.16x = 3,062.40 × 1,336.24
  4. Step 4: Simplify right side
    2,220.16x = 4,092,101.38
  5. Step 5: Solve for x
    x = 4,092,101.38/2,220.16
  6. Step 6: Final answer
    x = 1,843.16

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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.