Home / 2,945.70-4,418.55-2,816.10

Finding the Fourth Proportional to 2,945.70, 4,418.55 and 2,816.10

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Solution

The fourth proportional to 2,945.70, 4,418.55 and 2,816.10 is: 4,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.70 : 4,418.55 = 2,816.10 : x
  2. Step 2: Convert to fraction form
    2,945.70/4,418.55 = 2,816.10/x
  3. Step 3: Cross multiply
    2,945.70x = 4,418.55 × 2,816.10
  4. Step 4: Simplify right side
    2,945.70x = 12,443,078.66
  5. Step 5: Solve for x
    x = 12,443,078.66/2,945.70
  6. Step 6: Final answer
    x = 4,224.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.