Home / 2,288.32-3,431.76-1,925.44

Finding the Fourth Proportional to 2,288.32, 3,431.76 and 1,925.44

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Solution

The fourth proportional to 2,288.32, 3,431.76 and 1,925.44 is: 2,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.32 : 3,431.76 = 1,925.44 : x
  2. Step 2: Convert to fraction form
    2,288.32/3,431.76 = 1,925.44/x
  3. Step 3: Cross multiply
    2,288.32x = 3,431.76 × 1,925.44
  4. Step 4: Simplify right side
    2,288.32x = 6,607,647.97
  5. Step 5: Solve for x
    x = 6,607,647.97/2,288.32
  6. Step 6: Final answer
    x = 2,887.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.