Home / 2,692.24-4,039.20-1,048.80

Finding the Fourth Proportional to 2,692.24, 4,039.20 and 1,048.80

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Solution

The fourth proportional to 2,692.24, 4,039.20 and 1,048.80 is: 1,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.24 : 4,039.20 = 1,048.80 : x
  2. Step 2: Convert to fraction form
    2,692.24/4,039.20 = 1,048.80/x
  3. Step 3: Cross multiply
    2,692.24x = 4,039.20 × 1,048.80
  4. Step 4: Simplify right side
    2,692.24x = 4,236,312.96
  5. Step 5: Solve for x
    x = 4,236,312.96/2,692.24
  6. Step 6: Final answer
    x = 1,573.53

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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.