Home / 1,690.44-2,524.80-1,595.64

Finding the Fourth Proportional to 1,690.44, 2,524.80 and 1,595.64

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Solution

The fourth proportional to 1,690.44, 2,524.80 and 1,595.64 is: 2,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.44 : 2,524.80 = 1,595.64 : x
  2. Step 2: Convert to fraction form
    1,690.44/2,524.80 = 1,595.64/x
  3. Step 3: Cross multiply
    1,690.44x = 2,524.80 × 1,595.64
  4. Step 4: Simplify right side
    1,690.44x = 4,028,671.87
  5. Step 5: Solve for x
    x = 4,028,671.87/1,690.44
  6. Step 6: Final answer
    x = 2,383.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.