Home / 4,089.30-5,640.72-2,495.19

Finding the Fourth Proportional to 4,089.30, 5,640.72 and 2,495.19

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Solution

The fourth proportional to 4,089.30, 5,640.72 and 2,495.19 is: 3,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.30 : 5,640.72 = 2,495.19 : x
  2. Step 2: Convert to fraction form
    4,089.30/5,640.72 = 2,495.19/x
  3. Step 3: Cross multiply
    4,089.30x = 5,640.72 × 2,495.19
  4. Step 4: Simplify right side
    4,089.30x = 14,074,668.14
  5. Step 5: Solve for x
    x = 14,074,668.14/4,089.30
  6. Step 6: Final answer
    x = 3,441.83

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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.