Home / 2,756.10-4,134.15-2,477.70

Finding the Fourth Proportional to 2,756.10, 4,134.15 and 2,477.70

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Solution

The fourth proportional to 2,756.10, 4,134.15 and 2,477.70 is: 3,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.10 : 4,134.15 = 2,477.70 : x
  2. Step 2: Convert to fraction form
    2,756.10/4,134.15 = 2,477.70/x
  3. Step 3: Cross multiply
    2,756.10x = 4,134.15 × 2,477.70
  4. Step 4: Simplify right side
    2,756.10x = 10,243,183.46
  5. Step 5: Solve for x
    x = 10,243,183.46/2,756.10
  6. Step 6: Final answer
    x = 3,716.55

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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.