Home / 3,147.15-4,716.77-2,756.23

Finding the Fourth Proportional to 3,147.15, 4,716.77 and 2,756.23

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Solution

The fourth proportional to 3,147.15, 4,716.77 and 2,756.23 is: 4,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.15 : 4,716.77 = 2,756.23 : x
  2. Step 2: Convert to fraction form
    3,147.15/4,716.77 = 2,756.23/x
  3. Step 3: Cross multiply
    3,147.15x = 4,716.77 × 2,756.23
  4. Step 4: Simplify right side
    3,147.15x = 13,000,477.40
  5. Step 5: Solve for x
    x = 13,000,477.40/3,147.15
  6. Step 6: Final answer
    x = 4,130.87

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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.