Home / 1,552.08-2,142.24-1,054.80

Finding the Fourth Proportional to 1,552.08, 2,142.24 and 1,054.80

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Solution

The fourth proportional to 1,552.08, 2,142.24 and 1,054.80 is: 1,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.08 : 2,142.24 = 1,054.80 : x
  2. Step 2: Convert to fraction form
    1,552.08/2,142.24 = 1,054.80/x
  3. Step 3: Cross multiply
    1,552.08x = 2,142.24 × 1,054.80
  4. Step 4: Simplify right side
    1,552.08x = 2,259,634.75
  5. Step 5: Solve for x
    x = 2,259,634.75/1,552.08
  6. Step 6: Final answer
    x = 1,455.88

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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.