Home / 1,504.30-2,074.80-1,327.09

Finding the Fourth Proportional to 1,504.30, 2,074.80 and 1,327.09

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Solution

The fourth proportional to 1,504.30, 2,074.80 and 1,327.09 is: 1,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.30 : 2,074.80 = 1,327.09 : x
  2. Step 2: Convert to fraction form
    1,504.30/2,074.80 = 1,327.09/x
  3. Step 3: Cross multiply
    1,504.30x = 2,074.80 × 1,327.09
  4. Step 4: Simplify right side
    1,504.30x = 2,753,446.33
  5. Step 5: Solve for x
    x = 2,753,446.33/1,504.30
  6. Step 6: Final answer
    x = 1,830.38

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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.