Home / 2,288.42-3,155.66-1,957.94

Finding the Fourth Proportional to 2,288.42, 3,155.66 and 1,957.94

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Solution

The fourth proportional to 2,288.42, 3,155.66 and 1,957.94 is: 2,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.42 : 3,155.66 = 1,957.94 : x
  2. Step 2: Convert to fraction form
    2,288.42/3,155.66 = 1,957.94/x
  3. Step 3: Cross multiply
    2,288.42x = 3,155.66 × 1,957.94
  4. Step 4: Simplify right side
    2,288.42x = 6,178,592.94
  5. Step 5: Solve for x
    x = 6,178,592.94/2,288.42
  6. Step 6: Final answer
    x = 2,699.94

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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.