Home / 4,087.37-5,640.72-2,319.14

Finding the Fourth Proportional to 4,087.37, 5,640.72 and 2,319.14

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Solution

The fourth proportional to 4,087.37, 5,640.72 and 2,319.14 is: 3,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.37 : 5,640.72 = 2,319.14 : x
  2. Step 2: Convert to fraction form
    4,087.37/5,640.72 = 2,319.14/x
  3. Step 3: Cross multiply
    4,087.37x = 5,640.72 × 2,319.14
  4. Step 4: Simplify right side
    4,087.37x = 13,081,619.38
  5. Step 5: Solve for x
    x = 13,081,619.38/4,087.37
  6. Step 6: Final answer
    x = 3,200.50

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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.