Home / 2,240.48-3,356.69-2,108.70

Finding the Fourth Proportional to 2,240.48, 3,356.69 and 2,108.70

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Solution

The fourth proportional to 2,240.48, 3,356.69 and 2,108.70 is: 3,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.48 : 3,356.69 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    2,240.48/3,356.69 = 2,108.70/x
  3. Step 3: Cross multiply
    2,240.48x = 3,356.69 × 2,108.70
  4. Step 4: Simplify right side
    2,240.48x = 7,078,241.66
  5. Step 5: Solve for x
    x = 7,078,241.66/2,240.48
  6. Step 6: Final answer
    x = 3,159.26

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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.