Home / 2,692.24-4,041.60-1,603.60

Finding the Fourth Proportional to 2,692.24, 4,041.60 and 1,603.60

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Solution

The fourth proportional to 2,692.24, 4,041.60 and 1,603.60 is: 2,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.24 : 4,041.60 = 1,603.60 : x
  2. Step 2: Convert to fraction form
    2,692.24/4,041.60 = 1,603.60/x
  3. Step 3: Cross multiply
    2,692.24x = 4,041.60 × 1,603.60
  4. Step 4: Simplify right side
    2,692.24x = 6,481,109.76
  5. Step 5: Solve for x
    x = 6,481,109.76/2,692.24
  6. Step 6: Final answer
    x = 2,407.33

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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.