Home / 2,820.22-4,230.28-1,153.99

Finding the Fourth Proportional to 2,820.22, 4,230.28 and 1,153.99

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Solution

The fourth proportional to 2,820.22, 4,230.28 and 1,153.99 is: 1,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.22 : 4,230.28 = 1,153.99 : x
  2. Step 2: Convert to fraction form
    2,820.22/4,230.28 = 1,153.99/x
  3. Step 3: Cross multiply
    2,820.22x = 4,230.28 × 1,153.99
  4. Step 4: Simplify right side
    2,820.22x = 4,881,700.82
  5. Step 5: Solve for x
    x = 4,881,700.82/2,820.22
  6. Step 6: Final answer
    x = 1,730.96

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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.