Home / 2,814.08-4,220.64-1,170.18

Finding the Fourth Proportional to 2,814.08, 4,220.64 and 1,170.18

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Solution

The fourth proportional to 2,814.08, 4,220.64 and 1,170.18 is: 1,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.08 : 4,220.64 = 1,170.18 : x
  2. Step 2: Convert to fraction form
    2,814.08/4,220.64 = 1,170.18/x
  3. Step 3: Cross multiply
    2,814.08x = 4,220.64 × 1,170.18
  4. Step 4: Simplify right side
    2,814.08x = 4,938,908.52
  5. Step 5: Solve for x
    x = 4,938,908.52/2,814.08
  6. Step 6: Final answer
    x = 1,755.07

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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.