Home / 2,570.03-3,546.64-1,391.09

Finding the Fourth Proportional to 2,570.03, 3,546.64 and 1,391.09

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Solution

The fourth proportional to 2,570.03, 3,546.64 and 1,391.09 is: 1,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.03 : 3,546.64 = 1,391.09 : x
  2. Step 2: Convert to fraction form
    2,570.03/3,546.64 = 1,391.09/x
  3. Step 3: Cross multiply
    2,570.03x = 3,546.64 × 1,391.09
  4. Step 4: Simplify right side
    2,570.03x = 4,933,688.48
  5. Step 5: Solve for x
    x = 4,933,688.48/2,570.03
  6. Step 6: Final answer
    x = 1,919.70

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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.