Home / 3,288.11-4,908.74-3,172.77

Finding the Fourth Proportional to 3,288.11, 4,908.74 and 3,172.77

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Solution

The fourth proportional to 3,288.11, 4,908.74 and 3,172.77 is: 4,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.11 : 4,908.74 = 3,172.77 : x
  2. Step 2: Convert to fraction form
    3,288.11/4,908.74 = 3,172.77/x
  3. Step 3: Cross multiply
    3,288.11x = 4,908.74 × 3,172.77
  4. Step 4: Simplify right side
    3,288.11x = 15,574,303.01
  5. Step 5: Solve for x
    x = 15,574,303.01/3,288.11
  6. Step 6: Final answer
    x = 4,736.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.