Home / 1,341.35-2,012.60-692.54

Finding the Fourth Proportional to 1,341.35, 2,012.60 and 692.54

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Solution

The fourth proportional to 1,341.35, 2,012.60 and 692.54 is: 1,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.35 : 2,012.60 = 692.54 : x
  2. Step 2: Convert to fraction form
    1,341.35/2,012.60 = 692.54/x
  3. Step 3: Cross multiply
    1,341.35x = 2,012.60 × 692.54
  4. Step 4: Simplify right side
    1,341.35x = 1,393,805.22
  5. Step 5: Solve for x
    x = 1,393,805.22/1,341.35
  6. Step 6: Final answer
    x = 1,039.11

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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.