Home / 3,397.14-4,688.07-1,904.97

Finding the Fourth Proportional to 3,397.14, 4,688.07 and 1,904.97

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Solution

The fourth proportional to 3,397.14, 4,688.07 and 1,904.97 is: 2,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.14 : 4,688.07 = 1,904.97 : x
  2. Step 2: Convert to fraction form
    3,397.14/4,688.07 = 1,904.97/x
  3. Step 3: Cross multiply
    3,397.14x = 4,688.07 × 1,904.97
  4. Step 4: Simplify right side
    3,397.14x = 8,930,632.71
  5. Step 5: Solve for x
    x = 8,930,632.71/3,397.14
  6. Step 6: Final answer
    x = 2,628.87

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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.