Home / 2,692.50-4,036.77-1,026.39

Finding the Fourth Proportional to 2,692.50, 4,036.77 and 1,026.39

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Solution

The fourth proportional to 2,692.50, 4,036.77 and 1,026.39 is: 1,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.50 : 4,036.77 = 1,026.39 : x
  2. Step 2: Convert to fraction form
    2,692.50/4,036.77 = 1,026.39/x
  3. Step 3: Cross multiply
    2,692.50x = 4,036.77 × 1,026.39
  4. Step 4: Simplify right side
    2,692.50x = 4,143,300.36
  5. Step 5: Solve for x
    x = 4,143,300.36/2,692.50
  6. Step 6: Final answer
    x = 1,538.83

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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.