Home / 2,816.10-4,220.55-2,492.10

Finding the Fourth Proportional to 2,816.10, 4,220.55 and 2,492.10

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Solution

The fourth proportional to 2,816.10, 4,220.55 and 2,492.10 is: 3,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.10 : 4,220.55 = 2,492.10 : x
  2. Step 2: Convert to fraction form
    2,816.10/4,220.55 = 2,492.10/x
  3. Step 3: Cross multiply
    2,816.10x = 4,220.55 × 2,492.10
  4. Step 4: Simplify right side
    2,816.10x = 10,518,032.66
  5. Step 5: Solve for x
    x = 10,518,032.66/2,816.10
  6. Step 6: Final answer
    x = 3,734.96

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