Home / 3,154.94-4,353.80-1,738.69

Finding the Fourth Proportional to 3,154.94, 4,353.80 and 1,738.69

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Solution

The fourth proportional to 3,154.94, 4,353.80 and 1,738.69 is: 2,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.94 : 4,353.80 = 1,738.69 : x
  2. Step 2: Convert to fraction form
    3,154.94/4,353.80 = 1,738.69/x
  3. Step 3: Cross multiply
    3,154.94x = 4,353.80 × 1,738.69
  4. Step 4: Simplify right side
    3,154.94x = 7,569,888.94
  5. Step 5: Solve for x
    x = 7,569,888.94/3,154.94
  6. Step 6: Final answer
    x = 2,399.37

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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.