Home / 3,004.28-4,143.79-2,152.77

Finding the Fourth Proportional to 3,004.28, 4,143.79 and 2,152.77

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Solution

The fourth proportional to 3,004.28, 4,143.79 and 2,152.77 is: 2,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.28 : 4,143.79 = 2,152.77 : x
  2. Step 2: Convert to fraction form
    3,004.28/4,143.79 = 2,152.77/x
  3. Step 3: Cross multiply
    3,004.28x = 4,143.79 × 2,152.77
  4. Step 4: Simplify right side
    3,004.28x = 8,920,626.80
  5. Step 5: Solve for x
    x = 8,920,626.80/3,004.28
  6. Step 6: Final answer
    x = 2,969.31

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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.