Home / 1,758.87-2,636.73-1,134.39

Finding the Fourth Proportional to 1,758.87, 2,636.73 and 1,134.39

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Solution

The fourth proportional to 1,758.87, 2,636.73 and 1,134.39 is: 1,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.87 : 2,636.73 = 1,134.39 : x
  2. Step 2: Convert to fraction form
    1,758.87/2,636.73 = 1,134.39/x
  3. Step 3: Cross multiply
    1,758.87x = 2,636.73 × 1,134.39
  4. Step 4: Simplify right side
    1,758.87x = 2,991,080.14
  5. Step 5: Solve for x
    x = 2,991,080.14/1,758.87
  6. Step 6: Final answer
    x = 1,700.57

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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.