Home / 2,288.05-3,155.14-1,957.57

Finding the Fourth Proportional to 2,288.05, 3,155.14 and 1,957.57

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Solution

The fourth proportional to 2,288.05, 3,155.14 and 1,957.57 is: 2,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.05 : 3,155.14 = 1,957.57 : x
  2. Step 2: Convert to fraction form
    2,288.05/3,155.14 = 1,957.57/x
  3. Step 3: Cross multiply
    2,288.05x = 3,155.14 × 1,957.57
  4. Step 4: Simplify right side
    2,288.05x = 6,176,397.62
  5. Step 5: Solve for x
    x = 6,176,397.62/2,288.05
  6. Step 6: Final answer
    x = 2,699.42

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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.