Home / 2,280.02-3,146.43-1,232.09

Finding the Fourth Proportional to 2,280.02, 3,146.43 and 1,232.09

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Solution

The fourth proportional to 2,280.02, 3,146.43 and 1,232.09 is: 1,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.02 : 3,146.43 = 1,232.09 : x
  2. Step 2: Convert to fraction form
    2,280.02/3,146.43 = 1,232.09/x
  3. Step 3: Cross multiply
    2,280.02x = 3,146.43 × 1,232.09
  4. Step 4: Simplify right side
    2,280.02x = 3,876,675.04
  5. Step 5: Solve for x
    x = 3,876,675.04/2,280.02
  6. Step 6: Final answer
    x = 1,700.28

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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.