Home / 3,555.06-4,906.08-2,228.64

Finding the Fourth Proportional to 3,555.06, 4,906.08 and 2,228.64

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Solution

The fourth proportional to 3,555.06, 4,906.08 and 2,228.64 is: 3,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.06 : 4,906.08 = 2,228.64 : x
  2. Step 2: Convert to fraction form
    3,555.06/4,906.08 = 2,228.64/x
  3. Step 3: Cross multiply
    3,555.06x = 4,906.08 × 2,228.64
  4. Step 4: Simplify right side
    3,555.06x = 10,933,886.13
  5. Step 5: Solve for x
    x = 10,933,886.13/3,555.06
  6. Step 6: Final answer
    x = 3,075.58

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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.