Home / 3,030.72-4,181.76-1,704.48

Finding the Fourth Proportional to 3,030.72, 4,181.76 and 1,704.48

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Solution

The fourth proportional to 3,030.72, 4,181.76 and 1,704.48 is: 2,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.72 : 4,181.76 = 1,704.48 : x
  2. Step 2: Convert to fraction form
    3,030.72/4,181.76 = 1,704.48/x
  3. Step 3: Cross multiply
    3,030.72x = 4,181.76 × 1,704.48
  4. Step 4: Simplify right side
    3,030.72x = 7,127,726.28
  5. Step 5: Solve for x
    x = 7,127,726.28/3,030.72
  6. Step 6: Final answer
    x = 2,351.83

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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.