Home / 4,120.94-5,685.51-2,328.17

Finding the Fourth Proportional to 4,120.94, 5,685.51 and 2,328.17

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Solution

The fourth proportional to 4,120.94, 5,685.51 and 2,328.17 is: 3,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.94 : 5,685.51 = 2,328.17 : x
  2. Step 2: Convert to fraction form
    4,120.94/5,685.51 = 2,328.17/x
  3. Step 3: Cross multiply
    4,120.94x = 5,685.51 × 2,328.17
  4. Step 4: Simplify right side
    4,120.94x = 13,236,805.39
  5. Step 5: Solve for x
    x = 13,236,805.39/4,120.94
  6. Step 6: Final answer
    x = 3,212.09

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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.