Home / 3,145.12-4,710.39-3,035.77

Finding the Fourth Proportional to 3,145.12, 4,710.39 and 3,035.77

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Solution

The fourth proportional to 3,145.12, 4,710.39 and 3,035.77 is: 4,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.12 : 4,710.39 = 3,035.77 : x
  2. Step 2: Convert to fraction form
    3,145.12/4,710.39 = 3,035.77/x
  3. Step 3: Cross multiply
    3,145.12x = 4,710.39 × 3,035.77
  4. Step 4: Simplify right side
    3,145.12x = 14,299,660.65
  5. Step 5: Solve for x
    x = 14,299,660.65/3,145.12
  6. Step 6: Final answer
    x = 4,546.62

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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.