Home / 3,089.35-4,263.27-1,692.10

Finding the Fourth Proportional to 3,089.35, 4,263.27 and 1,692.10

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Solution

The fourth proportional to 3,089.35, 4,263.27 and 1,692.10 is: 2,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.35 : 4,263.27 = 1,692.10 : x
  2. Step 2: Convert to fraction form
    3,089.35/4,263.27 = 1,692.10/x
  3. Step 3: Cross multiply
    3,089.35x = 4,263.27 × 1,692.10
  4. Step 4: Simplify right side
    3,089.35x = 7,213,857.85
  5. Step 5: Solve for x
    x = 7,213,857.85/3,089.35
  6. Step 6: Final answer
    x = 2,335.08

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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.