Home / 2,015.73-2,778.98-1,493.01

Finding the Fourth Proportional to 2,015.73, 2,778.98 and 1,493.01

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Solution

The fourth proportional to 2,015.73, 2,778.98 and 1,493.01 is: 2,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.73 : 2,778.98 = 1,493.01 : x
  2. Step 2: Convert to fraction form
    2,015.73/2,778.98 = 1,493.01/x
  3. Step 3: Cross multiply
    2,015.73x = 2,778.98 × 1,493.01
  4. Step 4: Simplify right side
    2,015.73x = 4,149,037.46
  5. Step 5: Solve for x
    x = 4,149,037.46/2,015.73
  6. Step 6: Final answer
    x = 2,058.33

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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.