Home / 2,675.66-3,692.63-1,541.69

Finding the Fourth Proportional to 2,675.66, 3,692.63 and 1,541.69

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Solution

The fourth proportional to 2,675.66, 3,692.63 and 1,541.69 is: 2,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.66 : 3,692.63 = 1,541.69 : x
  2. Step 2: Convert to fraction form
    2,675.66/3,692.63 = 1,541.69/x
  3. Step 3: Cross multiply
    2,675.66x = 3,692.63 × 1,541.69
  4. Step 4: Simplify right side
    2,675.66x = 5,692,876.14
  5. Step 5: Solve for x
    x = 5,692,876.14/2,675.66
  6. Step 6: Final answer
    x = 2,127.65

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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.