Home / 3,282.57-4,529.78-1,866.25

Finding the Fourth Proportional to 3,282.57, 4,529.78 and 1,866.25

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Solution

The fourth proportional to 3,282.57, 4,529.78 and 1,866.25 is: 2,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.57 : 4,529.78 = 1,866.25 : x
  2. Step 2: Convert to fraction form
    3,282.57/4,529.78 = 1,866.25/x
  3. Step 3: Cross multiply
    3,282.57x = 4,529.78 × 1,866.25
  4. Step 4: Simplify right side
    3,282.57x = 8,453,681.27
  5. Step 5: Solve for x
    x = 8,453,681.27/3,282.57
  6. Step 6: Final answer
    x = 2,575.32

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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.