Home / 3,426.76-5,137.70-1,479.52

Finding the Fourth Proportional to 3,426.76, 5,137.70 and 1,479.52

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Solution

The fourth proportional to 3,426.76, 5,137.70 and 1,479.52 is: 2,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.76 : 5,137.70 = 1,479.52 : x
  2. Step 2: Convert to fraction form
    3,426.76/5,137.70 = 1,479.52/x
  3. Step 3: Cross multiply
    3,426.76x = 5,137.70 × 1,479.52
  4. Step 4: Simplify right side
    3,426.76x = 7,601,320.76
  5. Step 5: Solve for x
    x = 7,601,320.76/3,426.76
  6. Step 6: Final answer
    x = 2,218.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.