Home / 2,639.23-3,642.02-1,444.19

Finding the Fourth Proportional to 2,639.23, 3,642.02 and 1,444.19

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Solution

The fourth proportional to 2,639.23, 3,642.02 and 1,444.19 is: 1,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.23 : 3,642.02 = 1,444.19 : x
  2. Step 2: Convert to fraction form
    2,639.23/3,642.02 = 1,444.19/x
  3. Step 3: Cross multiply
    2,639.23x = 3,642.02 × 1,444.19
  4. Step 4: Simplify right side
    2,639.23x = 5,259,743.43
  5. Step 5: Solve for x
    x = 5,259,743.43/2,639.23
  6. Step 6: Final answer
    x = 1,992.91

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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.