Home / 2,963.09-4,088.91-1,636.70

Finding the Fourth Proportional to 2,963.09, 4,088.91 and 1,636.70

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Solution

The fourth proportional to 2,963.09, 4,088.91 and 1,636.70 is: 2,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.09 : 4,088.91 = 1,636.70 : x
  2. Step 2: Convert to fraction form
    2,963.09/4,088.91 = 1,636.70/x
  3. Step 3: Cross multiply
    2,963.09x = 4,088.91 × 1,636.70
  4. Step 4: Simplify right side
    2,963.09x = 6,692,319.00
  5. Step 5: Solve for x
    x = 6,692,319.00/2,963.09
  6. Step 6: Final answer
    x = 2,258.56

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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.