Home / 2,639.91-3,643.08-1,460.95

Finding the Fourth Proportional to 2,639.91, 3,643.08 and 1,460.95

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Solution

The fourth proportional to 2,639.91, 3,643.08 and 1,460.95 is: 2,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.91 : 3,643.08 = 1,460.95 : x
  2. Step 2: Convert to fraction form
    2,639.91/3,643.08 = 1,460.95/x
  3. Step 3: Cross multiply
    2,639.91x = 3,643.08 × 1,460.95
  4. Step 4: Simplify right side
    2,639.91x = 5,322,363.63
  5. Step 5: Solve for x
    x = 5,322,363.63/2,639.91
  6. Step 6: Final answer
    x = 2,016.12

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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.