Home / 3,903.39-5,386.73-2,224.76

Finding the Fourth Proportional to 3,903.39, 5,386.73 and 2,224.76

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Solution

The fourth proportional to 3,903.39, 5,386.73 and 2,224.76 is: 3,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.39 : 5,386.73 = 2,224.76 : x
  2. Step 2: Convert to fraction form
    3,903.39/5,386.73 = 2,224.76/x
  3. Step 3: Cross multiply
    3,903.39x = 5,386.73 × 2,224.76
  4. Step 4: Simplify right side
    3,903.39x = 11,984,143.38
  5. Step 5: Solve for x
    x = 11,984,143.38/3,903.39
  6. Step 6: Final answer
    x = 3,070.19

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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.