Home / 1,950.75-2,688.32-1,360.26

Finding the Fourth Proportional to 1,950.75, 2,688.32 and 1,360.26

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Solution

The fourth proportional to 1,950.75, 2,688.32 and 1,360.26 is: 1,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.75 : 2,688.32 = 1,360.26 : x
  2. Step 2: Convert to fraction form
    1,950.75/2,688.32 = 1,360.26/x
  3. Step 3: Cross multiply
    1,950.75x = 2,688.32 × 1,360.26
  4. Step 4: Simplify right side
    1,950.75x = 3,656,817.56
  5. Step 5: Solve for x
    x = 3,656,817.56/1,950.75
  6. Step 6: Final answer
    x = 1,874.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.