Home / 3,189.48-4,401.53-1,792.23

Finding the Fourth Proportional to 3,189.48, 4,401.53 and 1,792.23

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Solution

The fourth proportional to 3,189.48, 4,401.53 and 1,792.23 is: 2,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.48 : 4,401.53 = 1,792.23 : x
  2. Step 2: Convert to fraction form
    3,189.48/4,401.53 = 1,792.23/x
  3. Step 3: Cross multiply
    3,189.48x = 4,401.53 × 1,792.23
  4. Step 4: Simplify right side
    3,189.48x = 7,888,554.11
  5. Step 5: Solve for x
    x = 7,888,554.11/3,189.48
  6. Step 6: Final answer
    x = 2,473.30

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Half scale
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Double scale
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Similar ratio
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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.