Home / 1,520.25-2,268.62-1,356.23

Finding the Fourth Proportional to 1,520.25, 2,268.62 and 1,356.23

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Solution

The fourth proportional to 1,520.25, 2,268.62 and 1,356.23 is: 2,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.25 : 2,268.62 = 1,356.23 : x
  2. Step 2: Convert to fraction form
    1,520.25/2,268.62 = 1,356.23/x
  3. Step 3: Cross multiply
    1,520.25x = 2,268.62 × 1,356.23
  4. Step 4: Simplify right side
    1,520.25x = 3,076,752.38
  5. Step 5: Solve for x
    x = 3,076,752.38/1,520.25
  6. Step 6: Final answer
    x = 2,023.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.