Home / 2,760.04-4,130.34-2,105.56

Finding the Fourth Proportional to 2,760.04, 4,130.34 and 2,105.56

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Solution

The fourth proportional to 2,760.04, 4,130.34 and 2,105.56 is: 3,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.04 : 4,130.34 = 2,105.56 : x
  2. Step 2: Convert to fraction form
    2,760.04/4,130.34 = 2,105.56/x
  3. Step 3: Cross multiply
    2,760.04x = 4,130.34 × 2,105.56
  4. Step 4: Simplify right side
    2,760.04x = 8,696,678.69
  5. Step 5: Solve for x
    x = 8,696,678.69/2,760.04
  6. Step 6: Final answer
    x = 3,150.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.