Home / 3,424.77-5,134.87-2,767.45

Finding the Fourth Proportional to 3,424.77, 5,134.87 and 2,767.45

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Solution

The fourth proportional to 3,424.77, 5,134.87 and 2,767.45 is: 4,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.77 : 5,134.87 = 2,767.45 : x
  2. Step 2: Convert to fraction form
    3,424.77/5,134.87 = 2,767.45/x
  3. Step 3: Cross multiply
    3,424.77x = 5,134.87 × 2,767.45
  4. Step 4: Simplify right side
    3,424.77x = 14,210,495.98
  5. Step 5: Solve for x
    x = 14,210,495.98/3,424.77
  6. Step 6: Final answer
    x = 4,149.33

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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.