Home / 2,926.05-4,389.06-1,692.66

Finding the Fourth Proportional to 2,926.05, 4,389.06 and 1,692.66

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Solution

The fourth proportional to 2,926.05, 4,389.06 and 1,692.66 is: 2,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.05 : 4,389.06 = 1,692.66 : x
  2. Step 2: Convert to fraction form
    2,926.05/4,389.06 = 1,692.66/x
  3. Step 3: Cross multiply
    2,926.05x = 4,389.06 × 1,692.66
  4. Step 4: Simplify right side
    2,926.05x = 7,429,186.30
  5. Step 5: Solve for x
    x = 7,429,186.30/2,926.05
  6. Step 6: Final answer
    x = 2,538.98

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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.