Home / 4,001.69-5,522.38-2,209.16

Finding the Fourth Proportional to 4,001.69, 5,522.38 and 2,209.16

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Solution

The fourth proportional to 4,001.69, 5,522.38 and 2,209.16 is: 3,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.69 : 5,522.38 = 2,209.16 : x
  2. Step 2: Convert to fraction form
    4,001.69/5,522.38 = 2,209.16/x
  3. Step 3: Cross multiply
    4,001.69x = 5,522.38 × 2,209.16
  4. Step 4: Simplify right side
    4,001.69x = 12,199,829.28
  5. Step 5: Solve for x
    x = 12,199,829.28/4,001.69
  6. Step 6: Final answer
    x = 3,048.67

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Half scale
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Double scale
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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.