Home / 3,762.78-5,190.66-2,346.24

Finding the Fourth Proportional to 3,762.78, 5,190.66 and 2,346.24

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Solution

The fourth proportional to 3,762.78, 5,190.66 and 2,346.24 is: 3,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.78 : 5,190.66 = 2,346.24 : x
  2. Step 2: Convert to fraction form
    3,762.78/5,190.66 = 2,346.24/x
  3. Step 3: Cross multiply
    3,762.78x = 5,190.66 × 2,346.24
  4. Step 4: Simplify right side
    3,762.78x = 12,178,534.12
  5. Step 5: Solve for x
    x = 12,178,534.12/3,762.78
  6. Step 6: Final answer
    x = 3,236.58

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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.