Home / 3,430.16-4,733.80-2,251.92

Finding the Fourth Proportional to 3,430.16, 4,733.80 and 2,251.92

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Solution

The fourth proportional to 3,430.16, 4,733.80 and 2,251.92 is: 3,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.16 : 4,733.80 = 2,251.92 : x
  2. Step 2: Convert to fraction form
    3,430.16/4,733.80 = 2,251.92/x
  3. Step 3: Cross multiply
    3,430.16x = 4,733.80 × 2,251.92
  4. Step 4: Simplify right side
    3,430.16x = 10,660,138.90
  5. Step 5: Solve for x
    x = 10,660,138.90/3,430.16
  6. Step 6: Final answer
    x = 3,107.77

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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.