Home / 2,639.73-3,642.68-1,460.73

Finding the Fourth Proportional to 2,639.73, 3,642.68 and 1,460.73

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Solution

The fourth proportional to 2,639.73, 3,642.68 and 1,460.73 is: 2,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.73 : 3,642.68 = 1,460.73 : x
  2. Step 2: Convert to fraction form
    2,639.73/3,642.68 = 1,460.73/x
  3. Step 3: Cross multiply
    2,639.73x = 3,642.68 × 1,460.73
  4. Step 4: Simplify right side
    2,639.73x = 5,320,975.61
  5. Step 5: Solve for x
    x = 5,320,975.61/2,639.73
  6. Step 6: Final answer
    x = 2,015.73

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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.