Home / 3,224.48-4,455.54-2,518.11

Finding the Fourth Proportional to 3,224.48, 4,455.54 and 2,518.11

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Solution

The fourth proportional to 3,224.48, 4,455.54 and 2,518.11 is: 3,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.48 : 4,455.54 = 2,518.11 : x
  2. Step 2: Convert to fraction form
    3,224.48/4,455.54 = 2,518.11/x
  3. Step 3: Cross multiply
    3,224.48x = 4,455.54 × 2,518.11
  4. Step 4: Simplify right side
    3,224.48x = 11,219,539.83
  5. Step 5: Solve for x
    x = 11,219,539.83/3,224.48
  6. Step 6: Final answer
    x = 3,479.49

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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.