Home / 3,739.54-5,162.42-2,898.34

Finding the Fourth Proportional to 3,739.54, 5,162.42 and 2,898.34

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Solution

The fourth proportional to 3,739.54, 5,162.42 and 2,898.34 is: 4,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.54 : 5,162.42 = 2,898.34 : x
  2. Step 2: Convert to fraction form
    3,739.54/5,162.42 = 2,898.34/x
  3. Step 3: Cross multiply
    3,739.54x = 5,162.42 × 2,898.34
  4. Step 4: Simplify right side
    3,739.54x = 14,962,448.38
  5. Step 5: Solve for x
    x = 14,962,448.38/3,739.54
  6. Step 6: Final answer
    x = 4,001.15

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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.