Home / 2,014.17-2,778.40-1,616.28

Finding the Fourth Proportional to 2,014.17, 2,778.40 and 1,616.28

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Solution

The fourth proportional to 2,014.17, 2,778.40 and 1,616.28 is: 2,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.17 : 2,778.40 = 1,616.28 : x
  2. Step 2: Convert to fraction form
    2,014.17/2,778.40 = 1,616.28/x
  3. Step 3: Cross multiply
    2,014.17x = 2,778.40 × 1,616.28
  4. Step 4: Simplify right side
    2,014.17x = 4,490,663.95
  5. Step 5: Solve for x
    x = 4,490,663.95/2,014.17
  6. Step 6: Final answer
    x = 2,229.54

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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.