Home / 1,755.65-2,631.26-1,535.75

Finding the Fourth Proportional to 1,755.65, 2,631.26 and 1,535.75

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Solution

The fourth proportional to 1,755.65, 2,631.26 and 1,535.75 is: 2,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.65 : 2,631.26 = 1,535.75 : x
  2. Step 2: Convert to fraction form
    1,755.65/2,631.26 = 1,535.75/x
  3. Step 3: Cross multiply
    1,755.65x = 2,631.26 × 1,535.75
  4. Step 4: Simplify right side
    1,755.65x = 4,040,967.96
  5. Step 5: Solve for x
    x = 4,040,967.96/1,755.65
  6. Step 6: Final answer
    x = 2,301.69

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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.