Home / 3,752.90-5,179.10-2,051.48

Finding the Fourth Proportional to 3,752.90, 5,179.10 and 2,051.48

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Solution

The fourth proportional to 3,752.90, 5,179.10 and 2,051.48 is: 2,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.90 : 5,179.10 = 2,051.48 : x
  2. Step 2: Convert to fraction form
    3,752.90/5,179.10 = 2,051.48/x
  3. Step 3: Cross multiply
    3,752.90x = 5,179.10 × 2,051.48
  4. Step 4: Simplify right side
    3,752.90x = 10,624,838.14
  5. Step 5: Solve for x
    x = 10,624,838.14/3,752.90
  6. Step 6: Final answer
    x = 2,831.10

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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.