Home / 3,190.46-4,403.14-1,931.83

Finding the Fourth Proportional to 3,190.46, 4,403.14 and 1,931.83

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Solution

The fourth proportional to 3,190.46, 4,403.14 and 1,931.83 is: 2,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.46 : 4,403.14 = 1,931.83 : x
  2. Step 2: Convert to fraction form
    3,190.46/4,403.14 = 1,931.83/x
  3. Step 3: Cross multiply
    3,190.46x = 4,403.14 × 1,931.83
  4. Step 4: Simplify right side
    3,190.46x = 8,506,102.11
  5. Step 5: Solve for x
    x = 8,506,102.11/3,190.46
  6. Step 6: Final answer
    x = 2,666.10

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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.