Home / 3,030.50-4,181.75-1,704.17

Finding the Fourth Proportional to 3,030.50, 4,181.75 and 1,704.17

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Solution

The fourth proportional to 3,030.50, 4,181.75 and 1,704.17 is: 2,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.50 : 4,181.75 = 1,704.17 : x
  2. Step 2: Convert to fraction form
    3,030.50/4,181.75 = 1,704.17/x
  3. Step 3: Cross multiply
    3,030.50x = 4,181.75 × 1,704.17
  4. Step 4: Simplify right side
    3,030.50x = 7,126,414.83
  5. Step 5: Solve for x
    x = 7,126,414.83/3,030.50
  6. Step 6: Final answer
    x = 2,351.57

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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.