Home / 2,215.10-3,055.23-2,057.42

Finding the Fourth Proportional to 2,215.10, 3,055.23 and 2,057.42

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Solution

The fourth proportional to 2,215.10, 3,055.23 and 2,057.42 is: 2,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.10 : 3,055.23 = 2,057.42 : x
  2. Step 2: Convert to fraction form
    2,215.10/3,055.23 = 2,057.42/x
  3. Step 3: Cross multiply
    2,215.10x = 3,055.23 × 2,057.42
  4. Step 4: Simplify right side
    2,215.10x = 6,285,876.03
  5. Step 5: Solve for x
    x = 6,285,876.03/2,215.10
  6. Step 6: Final answer
    x = 2,837.75

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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.