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Finding the Fourth Proportional to 1,718.60, 2,410.90 and 1,718.60

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Solution

The fourth proportional to 1,718.60, 2,410.90 and 1,718.60 is: 2,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.60 : 2,410.90 = 1,718.60 : x
  2. Step 2: Convert to fraction form
    1,718.60/2,410.90 = 1,718.60/x
  3. Step 3: Cross multiply
    1,718.60x = 2,410.90 × 1,718.60
  4. Step 4: Simplify right side
    1,718.60x = 4,143,372.74
  5. Step 5: Solve for x
    x = 4,143,372.74/1,718.60
  6. Step 6: Final answer
    x = 2,410.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.