Home / 3,283.72-4,533.78-2,106.28

Finding the Fourth Proportional to 3,283.72, 4,533.78 and 2,106.28

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Solution

The fourth proportional to 3,283.72, 4,533.78 and 2,106.28 is: 2,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.72 : 4,533.78 = 2,106.28 : x
  2. Step 2: Convert to fraction form
    3,283.72/4,533.78 = 2,106.28/x
  3. Step 3: Cross multiply
    3,283.72x = 4,533.78 × 2,106.28
  4. Step 4: Simplify right side
    3,283.72x = 9,549,410.14
  5. Step 5: Solve for x
    x = 9,549,410.14/3,283.72
  6. Step 6: Final answer
    x = 2,908.11

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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.