Home / 1,692.57-2,539.40-1,562.25

Finding the Fourth Proportional to 1,692.57, 2,539.40 and 1,562.25

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Solution

The fourth proportional to 1,692.57, 2,539.40 and 1,562.25 is: 2,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.57 : 2,539.40 = 1,562.25 : x
  2. Step 2: Convert to fraction form
    1,692.57/2,539.40 = 1,562.25/x
  3. Step 3: Cross multiply
    1,692.57x = 2,539.40 × 1,562.25
  4. Step 4: Simplify right side
    1,692.57x = 3,967,169.84
  5. Step 5: Solve for x
    x = 3,967,169.84/1,692.57
  6. Step 6: Final answer
    x = 2,343.87

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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.