Home / 2,774.88-4,158.72-1,475.28

Finding the Fourth Proportional to 2,774.88, 4,158.72 and 1,475.28

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Solution

The fourth proportional to 2,774.88, 4,158.72 and 1,475.28 is: 2,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.88 : 4,158.72 = 1,475.28 : x
  2. Step 2: Convert to fraction form
    2,774.88/4,158.72 = 1,475.28/x
  3. Step 3: Cross multiply
    2,774.88x = 4,158.72 × 1,475.28
  4. Step 4: Simplify right side
    2,774.88x = 6,135,276.44
  5. Step 5: Solve for x
    x = 6,135,276.44/2,774.88
  6. Step 6: Final answer
    x = 2,211.01

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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.