Home / 3,903.15-5,386.49-2,224.82

Finding the Fourth Proportional to 3,903.15, 5,386.49 and 2,224.82

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Solution

The fourth proportional to 3,903.15, 5,386.49 and 2,224.82 is: 3,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.15 : 5,386.49 = 2,224.82 : x
  2. Step 2: Convert to fraction form
    3,903.15/5,386.49 = 2,224.82/x
  3. Step 3: Cross multiply
    3,903.15x = 5,386.49 × 2,224.82
  4. Step 4: Simplify right side
    3,903.15x = 11,983,932.63
  5. Step 5: Solve for x
    x = 11,983,932.63/3,903.15
  6. Step 6: Final answer
    x = 3,070.32

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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.