Home / 1,617.02-2,232.54-1,243.30

Finding the Fourth Proportional to 1,617.02, 2,232.54 and 1,243.30

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Solution

The fourth proportional to 1,617.02, 2,232.54 and 1,243.30 is: 1,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.02 : 2,232.54 = 1,243.30 : x
  2. Step 2: Convert to fraction form
    1,617.02/2,232.54 = 1,243.30/x
  3. Step 3: Cross multiply
    1,617.02x = 2,232.54 × 1,243.30
  4. Step 4: Simplify right side
    1,617.02x = 2,775,716.98
  5. Step 5: Solve for x
    x = 2,775,716.98/1,617.02
  6. Step 6: Final answer
    x = 1,716.56

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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.