Home / 3,036.72-4,190.63-1,692.32

Finding the Fourth Proportional to 3,036.72, 4,190.63 and 1,692.32

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Solution

The fourth proportional to 3,036.72, 4,190.63 and 1,692.32 is: 2,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.72 : 4,190.63 = 1,692.32 : x
  2. Step 2: Convert to fraction form
    3,036.72/4,190.63 = 1,692.32/x
  3. Step 3: Cross multiply
    3,036.72x = 4,190.63 × 1,692.32
  4. Step 4: Simplify right side
    3,036.72x = 7,091,886.96
  5. Step 5: Solve for x
    x = 7,091,886.96/3,036.72
  6. Step 6: Final answer
    x = 2,335.38

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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.