Home / 3,058.02-4,218.48-2,114.70

Finding the Fourth Proportional to 3,058.02, 4,218.48 and 2,114.70

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Solution

The fourth proportional to 3,058.02, 4,218.48 and 2,114.70 is: 2,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.02 : 4,218.48 = 2,114.70 : x
  2. Step 2: Convert to fraction form
    3,058.02/4,218.48 = 2,114.70/x
  3. Step 3: Cross multiply
    3,058.02x = 4,218.48 × 2,114.70
  4. Step 4: Simplify right side
    3,058.02x = 8,920,819.66
  5. Step 5: Solve for x
    x = 8,920,819.66/3,058.02
  6. Step 6: Final answer
    x = 2,917.19

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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.