Home / 3,190.04-4,402.28-1,773.89

Finding the Fourth Proportional to 3,190.04, 4,402.28 and 1,773.89

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Solution

The fourth proportional to 3,190.04, 4,402.28 and 1,773.89 is: 2,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.04 : 4,402.28 = 1,773.89 : x
  2. Step 2: Convert to fraction form
    3,190.04/4,402.28 = 1,773.89/x
  3. Step 3: Cross multiply
    3,190.04x = 4,402.28 × 1,773.89
  4. Step 4: Simplify right side
    3,190.04x = 7,809,160.47
  5. Step 5: Solve for x
    x = 7,809,160.47/3,190.04
  6. Step 6: Final answer
    x = 2,447.98

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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.