Home / 3,969.07-5,477.51-2,200.68

Finding the Fourth Proportional to 3,969.07, 5,477.51 and 2,200.68

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Solution

The fourth proportional to 3,969.07, 5,477.51 and 2,200.68 is: 3,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.07 : 5,477.51 = 2,200.68 : x
  2. Step 2: Convert to fraction form
    3,969.07/5,477.51 = 2,200.68/x
  3. Step 3: Cross multiply
    3,969.07x = 5,477.51 × 2,200.68
  4. Step 4: Simplify right side
    3,969.07x = 12,054,246.71
  5. Step 5: Solve for x
    x = 12,054,246.71/3,969.07
  6. Step 6: Final answer
    x = 3,037.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.