Home / 3,123.54-4,309.58-1,797.02

Finding the Fourth Proportional to 3,123.54, 4,309.58 and 1,797.02

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Solution

The fourth proportional to 3,123.54, 4,309.58 and 1,797.02 is: 2,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.54 : 4,309.58 = 1,797.02 : x
  2. Step 2: Convert to fraction form
    3,123.54/4,309.58 = 1,797.02/x
  3. Step 3: Cross multiply
    3,123.54x = 4,309.58 × 1,797.02
  4. Step 4: Simplify right side
    3,123.54x = 7,744,401.45
  5. Step 5: Solve for x
    x = 7,744,401.45/3,123.54
  6. Step 6: Final answer
    x = 2,479.37

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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.