Home / 2,269.62-3,140.37-1,975.86

Finding the Fourth Proportional to 2,269.62, 3,140.37 and 1,975.86

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Solution

The fourth proportional to 2,269.62, 3,140.37 and 1,975.86 is: 2,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.62 : 3,140.37 = 1,975.86 : x
  2. Step 2: Convert to fraction form
    2,269.62/3,140.37 = 1,975.86/x
  3. Step 3: Cross multiply
    2,269.62x = 3,140.37 × 1,975.86
  4. Step 4: Simplify right side
    2,269.62x = 6,204,931.47
  5. Step 5: Solve for x
    x = 6,204,931.47/2,269.62
  6. Step 6: Final answer
    x = 2,733.91

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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.