Home / 2,675.85-3,692.57-1,556.82

Finding the Fourth Proportional to 2,675.85, 3,692.57 and 1,556.82

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Solution

The fourth proportional to 2,675.85, 3,692.57 and 1,556.82 is: 2,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.85 : 3,692.57 = 1,556.82 : x
  2. Step 2: Convert to fraction form
    2,675.85/3,692.57 = 1,556.82/x
  3. Step 3: Cross multiply
    2,675.85x = 3,692.57 × 1,556.82
  4. Step 4: Simplify right side
    2,675.85x = 5,748,659.04
  5. Step 5: Solve for x
    x = 5,748,659.04/2,675.85
  6. Step 6: Final answer
    x = 2,148.35

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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.