Home / 3,089.68-4,260.56-2,146.54

Finding the Fourth Proportional to 3,089.68, 4,260.56 and 2,146.54

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Solution

The fourth proportional to 3,089.68, 4,260.56 and 2,146.54 is: 2,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.68 : 4,260.56 = 2,146.54 : x
  2. Step 2: Convert to fraction form
    3,089.68/4,260.56 = 2,146.54/x
  3. Step 3: Cross multiply
    3,089.68x = 4,260.56 × 2,146.54
  4. Step 4: Simplify right side
    3,089.68x = 9,145,462.46
  5. Step 5: Solve for x
    x = 9,145,462.46/3,089.68
  6. Step 6: Final answer
    x = 2,960.00

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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.