Home / 3,400.08-4,692.18-1,887.58

Finding the Fourth Proportional to 3,400.08, 4,692.18 and 1,887.58

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Solution

The fourth proportional to 3,400.08, 4,692.18 and 1,887.58 is: 2,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.08 : 4,692.18 = 1,887.58 : x
  2. Step 2: Convert to fraction form
    3,400.08/4,692.18 = 1,887.58/x
  3. Step 3: Cross multiply
    3,400.08x = 4,692.18 × 1,887.58
  4. Step 4: Simplify right side
    3,400.08x = 8,856,865.12
  5. Step 5: Solve for x
    x = 8,856,865.12/3,400.08
  6. Step 6: Final answer
    x = 2,604.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.