Home / 3,379.77-5,065.34-2,988.27

Finding the Fourth Proportional to 3,379.77, 5,065.34 and 2,988.27

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Solution

The fourth proportional to 3,379.77, 5,065.34 and 2,988.27 is: 4,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.77 : 5,065.34 = 2,988.27 : x
  2. Step 2: Convert to fraction form
    3,379.77/5,065.34 = 2,988.27/x
  3. Step 3: Cross multiply
    3,379.77x = 5,065.34 × 2,988.27
  4. Step 4: Simplify right side
    3,379.77x = 15,136,588.62
  5. Step 5: Solve for x
    x = 15,136,588.62/3,379.77
  6. Step 6: Final answer
    x = 4,478.59

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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.