Home / 1,616.50-2,424.77-1,293.92

Finding the Fourth Proportional to 1,616.50, 2,424.77 and 1,293.92

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Solution

The fourth proportional to 1,616.50, 2,424.77 and 1,293.92 is: 1,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.50 : 2,424.77 = 1,293.92 : x
  2. Step 2: Convert to fraction form
    1,616.50/2,424.77 = 1,293.92/x
  3. Step 3: Cross multiply
    1,616.50x = 2,424.77 × 1,293.92
  4. Step 4: Simplify right side
    1,616.50x = 3,137,453.75
  5. Step 5: Solve for x
    x = 3,137,453.75/1,616.50
  6. Step 6: Final answer
    x = 1,940.89

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1.5x scale

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.