Home / 2,639.69-3,642.99-1,461.14

Finding the Fourth Proportional to 2,639.69, 3,642.99 and 1,461.14

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Solution

The fourth proportional to 2,639.69, 3,642.99 and 1,461.14 is: 2,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.69 : 3,642.99 = 1,461.14 : x
  2. Step 2: Convert to fraction form
    2,639.69/3,642.99 = 1,461.14/x
  3. Step 3: Cross multiply
    2,639.69x = 3,642.99 × 1,461.14
  4. Step 4: Simplify right side
    2,639.69x = 5,322,918.41
  5. Step 5: Solve for x
    x = 5,322,918.41/2,639.69
  6. Step 6: Final answer
    x = 2,016.49

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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.