Home / 4,311.84-5,946.30-3,430.56

Finding the Fourth Proportional to 4,311.84, 5,946.30 and 3,430.56

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Solution

The fourth proportional to 4,311.84, 5,946.30 and 3,430.56 is: 4,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.84 : 5,946.30 = 3,430.56 : x
  2. Step 2: Convert to fraction form
    4,311.84/5,946.30 = 3,430.56/x
  3. Step 3: Cross multiply
    4,311.84x = 5,946.30 × 3,430.56
  4. Step 4: Simplify right side
    4,311.84x = 20,399,138.93
  5. Step 5: Solve for x
    x = 20,399,138.93/4,311.84
  6. Step 6: Final answer
    x = 4,730.96

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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.