Home / 1,885.45-2,600.62-1,327.09

Finding the Fourth Proportional to 1,885.45, 2,600.62 and 1,327.09

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Solution

The fourth proportional to 1,885.45, 2,600.62 and 1,327.09 is: 1,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.45 : 2,600.62 = 1,327.09 : x
  2. Step 2: Convert to fraction form
    1,885.45/2,600.62 = 1,327.09/x
  3. Step 3: Cross multiply
    1,885.45x = 2,600.62 × 1,327.09
  4. Step 4: Simplify right side
    1,885.45x = 3,451,256.80
  5. Step 5: Solve for x
    x = 3,451,256.80/1,885.45
  6. Step 6: Final answer
    x = 1,830.47

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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.