Home / 3,189.93-4,402.08-1,792.68

Finding the Fourth Proportional to 3,189.93, 4,402.08 and 1,792.68

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Solution

The fourth proportional to 3,189.93, 4,402.08 and 1,792.68 is: 2,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.93 : 4,402.08 = 1,792.68 : x
  2. Step 2: Convert to fraction form
    3,189.93/4,402.08 = 1,792.68/x
  3. Step 3: Cross multiply
    3,189.93x = 4,402.08 × 1,792.68
  4. Step 4: Simplify right side
    3,189.93x = 7,891,520.77
  5. Step 5: Solve for x
    x = 7,891,520.77/3,189.93
  6. Step 6: Final answer
    x = 2,473.89

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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.