Home / 2,639.93-3,643.13-1,461.02

Finding the Fourth Proportional to 2,639.93, 3,643.13 and 1,461.02

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Solution

The fourth proportional to 2,639.93, 3,643.13 and 1,461.02 is: 2,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.93 : 3,643.13 = 1,461.02 : x
  2. Step 2: Convert to fraction form
    2,639.93/3,643.13 = 1,461.02/x
  3. Step 3: Cross multiply
    2,639.93x = 3,643.13 × 1,461.02
  4. Step 4: Simplify right side
    2,639.93x = 5,322,671.23
  5. Step 5: Solve for x
    x = 5,322,671.23/2,639.93
  6. Step 6: Final answer
    x = 2,016.22

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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.