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Finding the Fourth Proportional to 1,705.22, 2,557.01 and 594.62

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Solution

The fourth proportional to 1,705.22, 2,557.01 and 594.62 is: 891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.22 : 2,557.01 = 594.62 : x
  2. Step 2: Convert to fraction form
    1,705.22/2,557.01 = 594.62/x
  3. Step 3: Cross multiply
    1,705.22x = 2,557.01 × 594.62
  4. Step 4: Simplify right side
    1,705.22x = 1,520,436.50
  5. Step 5: Solve for x
    x = 1,520,436.50/1,705.22
  6. Step 6: Final answer
    x = 891.64

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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.