Home / 3,379.30-4,661.01-2,930.36

Finding the Fourth Proportional to 3,379.30, 4,661.01 and 2,930.36

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Solution

The fourth proportional to 3,379.30, 4,661.01 and 2,930.36 is: 4,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.30 : 4,661.01 = 2,930.36 : x
  2. Step 2: Convert to fraction form
    3,379.30/4,661.01 = 2,930.36/x
  3. Step 3: Cross multiply
    3,379.30x = 4,661.01 × 2,930.36
  4. Step 4: Simplify right side
    3,379.30x = 13,658,437.26
  5. Step 5: Solve for x
    x = 13,658,437.26/3,379.30
  6. Step 6: Final answer
    x = 4,041.79

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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.