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Finding the Fourth Proportional to 1,692.75, 2,539.14 and 597.30

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Solution

The fourth proportional to 1,692.75, 2,539.14 and 597.30 is: 895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.75 : 2,539.14 = 597.30 : x
  2. Step 2: Convert to fraction form
    1,692.75/2,539.14 = 597.30/x
  3. Step 3: Cross multiply
    1,692.75x = 2,539.14 × 597.30
  4. Step 4: Simplify right side
    1,692.75x = 1,516,628.32
  5. Step 5: Solve for x
    x = 1,516,628.32/1,692.75
  6. Step 6: Final answer
    x = 895.96

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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.