Home / 2,331.42-3,215.63-1,692.45

Finding the Fourth Proportional to 2,331.42, 3,215.63 and 1,692.45

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Solution

The fourth proportional to 2,331.42, 3,215.63 and 1,692.45 is: 2,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.42 : 3,215.63 = 1,692.45 : x
  2. Step 2: Convert to fraction form
    2,331.42/3,215.63 = 1,692.45/x
  3. Step 3: Cross multiply
    2,331.42x = 3,215.63 × 1,692.45
  4. Step 4: Simplify right side
    2,331.42x = 5,442,292.99
  5. Step 5: Solve for x
    x = 5,442,292.99/2,331.42
  6. Step 6: Final answer
    x = 2,334.33

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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.