Home / 3,133.55-4,314.46-2,660.51

Finding the Fourth Proportional to 3,133.55, 4,314.46 and 2,660.51

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Solution

The fourth proportional to 3,133.55, 4,314.46 and 2,660.51 is: 3,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.55 : 4,314.46 = 2,660.51 : x
  2. Step 2: Convert to fraction form
    3,133.55/4,314.46 = 2,660.51/x
  3. Step 3: Cross multiply
    3,133.55x = 4,314.46 × 2,660.51
  4. Step 4: Simplify right side
    3,133.55x = 11,478,663.97
  5. Step 5: Solve for x
    x = 11,478,663.97/3,133.55
  6. Step 6: Final answer
    x = 3,663.15

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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.