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Finding the Fourth Proportional to 1,706.67, 2,562.03 and 1,436.13

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Solution

The fourth proportional to 1,706.67, 2,562.03 and 1,436.13 is: 2,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.67 : 2,562.03 = 1,436.13 : x
  2. Step 2: Convert to fraction form
    1,706.67/2,562.03 = 1,436.13/x
  3. Step 3: Cross multiply
    1,706.67x = 2,562.03 × 1,436.13
  4. Step 4: Simplify right side
    1,706.67x = 3,679,408.14
  5. Step 5: Solve for x
    x = 3,679,408.14/1,706.67
  6. Step 6: Final answer
    x = 2,155.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.