Home / 3,058.76-4,220.12-2,114.60

Finding the Fourth Proportional to 3,058.76, 4,220.12 and 2,114.60

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Solution

The fourth proportional to 3,058.76, 4,220.12 and 2,114.60 is: 2,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.76 : 4,220.12 = 2,114.60 : x
  2. Step 2: Convert to fraction form
    3,058.76/4,220.12 = 2,114.60/x
  3. Step 3: Cross multiply
    3,058.76x = 4,220.12 × 2,114.60
  4. Step 4: Simplify right side
    3,058.76x = 8,923,881.59
  5. Step 5: Solve for x
    x = 8,923,881.59/3,058.76
  6. Step 6: Final answer
    x = 2,917.48

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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.