Home / 3,768.89-5,195.07-2,970.92

Finding the Fourth Proportional to 3,768.89, 5,195.07 and 2,970.92

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Solution

The fourth proportional to 3,768.89, 5,195.07 and 2,970.92 is: 4,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.89 : 5,195.07 = 2,970.92 : x
  2. Step 2: Convert to fraction form
    3,768.89/5,195.07 = 2,970.92/x
  3. Step 3: Cross multiply
    3,768.89x = 5,195.07 × 2,970.92
  4. Step 4: Simplify right side
    3,768.89x = 15,434,111.39
  5. Step 5: Solve for x
    x = 15,434,111.39/3,768.89
  6. Step 6: Final answer
    x = 4,095.14

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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.