Home / 2,220.23-3,060.60-1,863.47

Finding the Fourth Proportional to 2,220.23, 3,060.60 and 1,863.47

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Solution

The fourth proportional to 2,220.23, 3,060.60 and 1,863.47 is: 2,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.23 : 3,060.60 = 1,863.47 : x
  2. Step 2: Convert to fraction form
    2,220.23/3,060.60 = 1,863.47/x
  3. Step 3: Cross multiply
    2,220.23x = 3,060.60 × 1,863.47
  4. Step 4: Simplify right side
    2,220.23x = 5,703,320.98
  5. Step 5: Solve for x
    x = 5,703,320.98/2,220.23
  6. Step 6: Final answer
    x = 2,568.80

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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.