Home / 3,017.22-4,521.72-2,928.56

Finding the Fourth Proportional to 3,017.22, 4,521.72 and 2,928.56

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Solution

The fourth proportional to 3,017.22, 4,521.72 and 2,928.56 is: 4,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.22 : 4,521.72 = 2,928.56 : x
  2. Step 2: Convert to fraction form
    3,017.22/4,521.72 = 2,928.56/x
  3. Step 3: Cross multiply
    3,017.22x = 4,521.72 × 2,928.56
  4. Step 4: Simplify right side
    3,017.22x = 13,242,128.32
  5. Step 5: Solve for x
    x = 13,242,128.32/3,017.22
  6. Step 6: Final answer
    x = 4,388.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.