Home / 2,287.55-3,154.45-1,957.07

Finding the Fourth Proportional to 2,287.55, 3,154.45 and 1,957.07

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Solution

The fourth proportional to 2,287.55, 3,154.45 and 1,957.07 is: 2,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.55 : 3,154.45 = 1,957.07 : x
  2. Step 2: Convert to fraction form
    2,287.55/3,154.45 = 1,957.07/x
  3. Step 3: Cross multiply
    2,287.55x = 3,154.45 × 1,957.07
  4. Step 4: Simplify right side
    2,287.55x = 6,173,469.68
  5. Step 5: Solve for x
    x = 6,173,469.68/2,287.55
  6. Step 6: Final answer
    x = 2,698.73

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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.