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Finding the Fourth Proportional to 1,718.00, 2,368.64 and 1,694.77

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Solution

The fourth proportional to 1,718.00, 2,368.64 and 1,694.77 is: 2,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.00 : 2,368.64 = 1,694.77 : x
  2. Step 2: Convert to fraction form
    1,718.00/2,368.64 = 1,694.77/x
  3. Step 3: Cross multiply
    1,718.00x = 2,368.64 × 1,694.77
  4. Step 4: Simplify right side
    1,718.00x = 4,014,285.62
  5. Step 5: Solve for x
    x = 4,014,285.62/1,718.00
  6. Step 6: Final answer
    x = 2,336.60

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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.