Home / 2,639.86-3,643.02-1,444.88

Finding the Fourth Proportional to 2,639.86, 3,643.02 and 1,444.88

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Solution

The fourth proportional to 2,639.86, 3,643.02 and 1,444.88 is: 1,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.86 : 3,643.02 = 1,444.88 : x
  2. Step 2: Convert to fraction form
    2,639.86/3,643.02 = 1,444.88/x
  3. Step 3: Cross multiply
    2,639.86x = 3,643.02 × 1,444.88
  4. Step 4: Simplify right side
    2,639.86x = 5,263,726.74
  5. Step 5: Solve for x
    x = 5,263,726.74/2,639.86
  6. Step 6: Final answer
    x = 1,993.94

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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.