Home / 2,817.90-4,230.84-1,774.52

Finding the Fourth Proportional to 2,817.90, 4,230.84 and 1,774.52

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Solution

The fourth proportional to 2,817.90, 4,230.84 and 1,774.52 is: 2,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.90 : 4,230.84 = 1,774.52 : x
  2. Step 2: Convert to fraction form
    2,817.90/4,230.84 = 1,774.52/x
  3. Step 3: Cross multiply
    2,817.90x = 4,230.84 × 1,774.52
  4. Step 4: Simplify right side
    2,817.90x = 7,507,710.20
  5. Step 5: Solve for x
    x = 7,507,710.20/2,817.90
  6. Step 6: Final answer
    x = 2,664.29

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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.