Home / 2,753.35-4,130.16-1,109.68

Finding the Fourth Proportional to 2,753.35, 4,130.16 and 1,109.68

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Solution

The fourth proportional to 2,753.35, 4,130.16 and 1,109.68 is: 1,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.35 : 4,130.16 = 1,109.68 : x
  2. Step 2: Convert to fraction form
    2,753.35/4,130.16 = 1,109.68/x
  3. Step 3: Cross multiply
    2,753.35x = 4,130.16 × 1,109.68
  4. Step 4: Simplify right side
    2,753.35x = 4,583,155.95
  5. Step 5: Solve for x
    x = 4,583,155.95/2,753.35
  6. Step 6: Final answer
    x = 1,664.57

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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.