Home / 1,692.48-2,540.88-1,116.84

Finding the Fourth Proportional to 1,692.48, 2,540.88 and 1,116.84

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Solution

The fourth proportional to 1,692.48, 2,540.88 and 1,116.84 is: 1,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.48 : 2,540.88 = 1,116.84 : x
  2. Step 2: Convert to fraction form
    1,692.48/2,540.88 = 1,116.84/x
  3. Step 3: Cross multiply
    1,692.48x = 2,540.88 × 1,116.84
  4. Step 4: Simplify right side
    1,692.48x = 2,837,756.42
  5. Step 5: Solve for x
    x = 2,837,756.42/1,692.48
  6. Step 6: Final answer
    x = 1,676.69

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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.