Home / 3,762.32-5,189.20-2,435.00

Finding the Fourth Proportional to 3,762.32, 5,189.20 and 2,435.00

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Solution

The fourth proportional to 3,762.32, 5,189.20 and 2,435.00 is: 3,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.32 : 5,189.20 = 2,435.00 : x
  2. Step 2: Convert to fraction form
    3,762.32/5,189.20 = 2,435.00/x
  3. Step 3: Cross multiply
    3,762.32x = 5,189.20 × 2,435.00
  4. Step 4: Simplify right side
    3,762.32x = 12,635,669.97
  5. Step 5: Solve for x
    x = 12,635,669.97/3,762.32
  6. Step 6: Final answer
    x = 3,358.48

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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.