Home / 4,220.48-5,824.64-2,801.66

Finding the Fourth Proportional to 4,220.48, 5,824.64 and 2,801.66

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Solution

The fourth proportional to 4,220.48, 5,824.64 and 2,801.66 is: 3,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.48 : 5,824.64 = 2,801.66 : x
  2. Step 2: Convert to fraction form
    4,220.48/5,824.64 = 2,801.66/x
  3. Step 3: Cross multiply
    4,220.48x = 5,824.64 × 2,801.66
  4. Step 4: Simplify right side
    4,220.48x = 16,318,661.46
  5. Step 5: Solve for x
    x = 16,318,661.46/4,220.48
  6. Step 6: Final answer
    x = 3,866.54

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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.