Home / 2,288.94-3,157.75-1,345.02

Finding the Fourth Proportional to 2,288.94, 3,157.75 and 1,345.02

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Solution

The fourth proportional to 2,288.94, 3,157.75 and 1,345.02 is: 1,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.94 : 3,157.75 = 1,345.02 : x
  2. Step 2: Convert to fraction form
    2,288.94/3,157.75 = 1,345.02/x
  3. Step 3: Cross multiply
    2,288.94x = 3,157.75 × 1,345.02
  4. Step 4: Simplify right side
    2,288.94x = 4,247,236.91
  5. Step 5: Solve for x
    x = 4,247,236.91/2,288.94
  6. Step 6: Final answer
    x = 1,855.55

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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.