Home / 1,395.13-2,093.08-1,137.56

Finding the Fourth Proportional to 1,395.13, 2,093.08 and 1,137.56

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Solution

The fourth proportional to 1,395.13, 2,093.08 and 1,137.56 is: 1,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.13 : 2,093.08 = 1,137.56 : x
  2. Step 2: Convert to fraction form
    1,395.13/2,093.08 = 1,137.56/x
  3. Step 3: Cross multiply
    1,395.13x = 2,093.08 × 1,137.56
  4. Step 4: Simplify right side
    1,395.13x = 2,380,998.67
  5. Step 5: Solve for x
    x = 2,380,998.67/1,395.13
  6. Step 6: Final answer
    x = 1,706.66

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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.