Home / 1,512.36-2,087.25-922.77

Finding the Fourth Proportional to 1,512.36, 2,087.25 and 922.77

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Solution

The fourth proportional to 1,512.36, 2,087.25 and 922.77 is: 1,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.36 : 2,087.25 = 922.77 : x
  2. Step 2: Convert to fraction form
    1,512.36/2,087.25 = 922.77/x
  3. Step 3: Cross multiply
    1,512.36x = 2,087.25 × 922.77
  4. Step 4: Simplify right side
    1,512.36x = 1,926,051.68
  5. Step 5: Solve for x
    x = 1,926,051.68/1,512.36
  6. Step 6: Final answer
    x = 1,273.54

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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.