Home / 1,845.18-2,770.20-1,692.36

Finding the Fourth Proportional to 1,845.18, 2,770.20 and 1,692.36

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Solution

The fourth proportional to 1,845.18, 2,770.20 and 1,692.36 is: 2,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.18 : 2,770.20 = 1,692.36 : x
  2. Step 2: Convert to fraction form
    1,845.18/2,770.20 = 1,692.36/x
  3. Step 3: Cross multiply
    1,845.18x = 2,770.20 × 1,692.36
  4. Step 4: Simplify right side
    1,845.18x = 4,688,175.67
  5. Step 5: Solve for x
    x = 4,688,175.67/1,845.18
  6. Step 6: Final answer
    x = 2,540.77

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1.5x scale

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.