Home / 3,926.76-5,890.13-1,329.63

Finding the Fourth Proportional to 3,926.76, 5,890.13 and 1,329.63

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Solution

The fourth proportional to 3,926.76, 5,890.13 and 1,329.63 is: 1,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.76 : 5,890.13 = 1,329.63 : x
  2. Step 2: Convert to fraction form
    3,926.76/5,890.13 = 1,329.63/x
  3. Step 3: Cross multiply
    3,926.76x = 5,890.13 × 1,329.63
  4. Step 4: Simplify right side
    3,926.76x = 7,831,693.55
  5. Step 5: Solve for x
    x = 7,831,693.55/3,926.76
  6. Step 6: Final answer
    x = 1,994.44

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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.