Home / 3,973.68-5,946.57-3,191.76

Finding the Fourth Proportional to 3,973.68, 5,946.57 and 3,191.76

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Solution

The fourth proportional to 3,973.68, 5,946.57 and 3,191.76 is: 4,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.68 : 5,946.57 = 3,191.76 : x
  2. Step 2: Convert to fraction form
    3,973.68/5,946.57 = 3,191.76/x
  3. Step 3: Cross multiply
    3,973.68x = 5,946.57 × 3,191.76
  4. Step 4: Simplify right side
    3,973.68x = 18,980,024.26
  5. Step 5: Solve for x
    x = 18,980,024.26/3,973.68
  6. Step 6: Final answer
    x = 4,776.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.