Home / 2,558.20-3,838.58-1,692.28

Finding the Fourth Proportional to 2,558.20, 3,838.58 and 1,692.28

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Solution

The fourth proportional to 2,558.20, 3,838.58 and 1,692.28 is: 2,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.20 : 3,838.58 = 1,692.28 : x
  2. Step 2: Convert to fraction form
    2,558.20/3,838.58 = 1,692.28/x
  3. Step 3: Cross multiply
    2,558.20x = 3,838.58 × 1,692.28
  4. Step 4: Simplify right side
    2,558.20x = 6,495,952.16
  5. Step 5: Solve for x
    x = 6,495,952.16/2,558.20
  6. Step 6: Final answer
    x = 2,539.27

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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.