Home / 3,551.08-5,346.36-2,775.28

Finding the Fourth Proportional to 3,551.08, 5,346.36 and 2,775.28

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Solution

The fourth proportional to 3,551.08, 5,346.36 and 2,775.28 is: 4,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.08 : 5,346.36 = 2,775.28 : x
  2. Step 2: Convert to fraction form
    3,551.08/5,346.36 = 2,775.28/x
  3. Step 3: Cross multiply
    3,551.08x = 5,346.36 × 2,775.28
  4. Step 4: Simplify right side
    3,551.08x = 14,837,645.98
  5. Step 5: Solve for x
    x = 14,837,645.98/3,551.08
  6. Step 6: Final answer
    x = 4,178.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.