Home / 2,871.68-3,962.45-1,692.59

Finding the Fourth Proportional to 2,871.68, 3,962.45 and 1,692.59

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Solution

The fourth proportional to 2,871.68, 3,962.45 and 1,692.59 is: 2,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.68 : 3,962.45 = 1,692.59 : x
  2. Step 2: Convert to fraction form
    2,871.68/3,962.45 = 1,692.59/x
  3. Step 3: Cross multiply
    2,871.68x = 3,962.45 × 1,692.59
  4. Step 4: Simplify right side
    2,871.68x = 6,706,804.69
  5. Step 5: Solve for x
    x = 6,706,804.69/2,871.68
  6. Step 6: Final answer
    x = 2,335.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.