Home / 2,495.24-3,440.76-1,919.33

Finding the Fourth Proportional to 2,495.24, 3,440.76 and 1,919.33

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Solution

The fourth proportional to 2,495.24, 3,440.76 and 1,919.33 is: 2,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.24 : 3,440.76 = 1,919.33 : x
  2. Step 2: Convert to fraction form
    2,495.24/3,440.76 = 1,919.33/x
  3. Step 3: Cross multiply
    2,495.24x = 3,440.76 × 1,919.33
  4. Step 4: Simplify right side
    2,495.24x = 6,603,936.69
  5. Step 5: Solve for x
    x = 6,603,936.69/2,495.24
  6. Step 6: Final answer
    x = 2,646.62

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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.