Home / 3,434.76-5,139.38-2,048.85

Finding the Fourth Proportional to 3,434.76, 5,139.38 and 2,048.85

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Solution

The fourth proportional to 3,434.76, 5,139.38 and 2,048.85 is: 3,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.76 : 5,139.38 = 2,048.85 : x
  2. Step 2: Convert to fraction form
    3,434.76/5,139.38 = 2,048.85/x
  3. Step 3: Cross multiply
    3,434.76x = 5,139.38 × 2,048.85
  4. Step 4: Simplify right side
    3,434.76x = 10,529,808.47
  5. Step 5: Solve for x
    x = 10,529,808.47/3,434.76
  6. Step 6: Final answer
    x = 3,065.66

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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.