Home / 3,006.28-4,148.27-1,679.77

Finding the Fourth Proportional to 3,006.28, 4,148.27 and 1,679.77

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Solution

The fourth proportional to 3,006.28, 4,148.27 and 1,679.77 is: 2,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.28 : 4,148.27 = 1,679.77 : x
  2. Step 2: Convert to fraction form
    3,006.28/4,148.27 = 1,679.77/x
  3. Step 3: Cross multiply
    3,006.28x = 4,148.27 × 1,679.77
  4. Step 4: Simplify right side
    3,006.28x = 6,968,139.50
  5. Step 5: Solve for x
    x = 6,968,139.50/3,006.28
  6. Step 6: Final answer
    x = 2,317.86

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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.