Home / 2,692.64-4,041.40-1,377.28

Finding the Fourth Proportional to 2,692.64, 4,041.40 and 1,377.28

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Solution

The fourth proportional to 2,692.64, 4,041.40 and 1,377.28 is: 2,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.64 : 4,041.40 = 1,377.28 : x
  2. Step 2: Convert to fraction form
    2,692.64/4,041.40 = 1,377.28/x
  3. Step 3: Cross multiply
    2,692.64x = 4,041.40 × 1,377.28
  4. Step 4: Simplify right side
    2,692.64x = 5,566,139.39
  5. Step 5: Solve for x
    x = 5,566,139.39/2,692.64
  6. Step 6: Final answer
    x = 2,067.17

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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.