Home / 3,812.76-5,260.06-2,319.48

Finding the Fourth Proportional to 3,812.76, 5,260.06 and 2,319.48

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Solution

The fourth proportional to 3,812.76, 5,260.06 and 2,319.48 is: 3,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.76 : 5,260.06 = 2,319.48 : x
  2. Step 2: Convert to fraction form
    3,812.76/5,260.06 = 2,319.48/x
  3. Step 3: Cross multiply
    3,812.76x = 5,260.06 × 2,319.48
  4. Step 4: Simplify right side
    3,812.76x = 12,200,603.97
  5. Step 5: Solve for x
    x = 12,200,603.97/3,812.76
  6. Step 6: Final answer
    x = 3,199.94

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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.