Home / 3,061.02-4,224.19-1,663.78

Finding the Fourth Proportional to 3,061.02, 4,224.19 and 1,663.78

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Solution

The fourth proportional to 3,061.02, 4,224.19 and 1,663.78 is: 2,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.02 : 4,224.19 = 1,663.78 : x
  2. Step 2: Convert to fraction form
    3,061.02/4,224.19 = 1,663.78/x
  3. Step 3: Cross multiply
    3,061.02x = 4,224.19 × 1,663.78
  4. Step 4: Simplify right side
    3,061.02x = 7,028,122.84
  5. Step 5: Solve for x
    x = 7,028,122.84/3,061.02
  6. Step 6: Final answer
    x = 2,296.01

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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.