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Finding the Fourth Proportional to 2,696.16, 3,718.24 and 1,699.71

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Solution

The fourth proportional to 2,696.16, 3,718.24 and 1,699.71 is: 2,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.16 : 3,718.24 = 1,699.71 : x
  2. Step 2: Convert to fraction form
    2,696.16/3,718.24 = 1,699.71/x
  3. Step 3: Cross multiply
    2,696.16x = 3,718.24 × 1,699.71
  4. Step 4: Simplify right side
    2,696.16x = 6,319,929.15
  5. Step 5: Solve for x
    x = 6,319,929.15/2,696.16
  6. Step 6: Final answer
    x = 2,344.05

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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.