Home / 1,887.44-2,581.53-1,857.20

Finding the Fourth Proportional to 1,887.44, 2,581.53 and 1,857.20

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Solution

The fourth proportional to 1,887.44, 2,581.53 and 1,857.20 is: 2,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.44 : 2,581.53 = 1,857.20 : x
  2. Step 2: Convert to fraction form
    1,887.44/2,581.53 = 1,857.20/x
  3. Step 3: Cross multiply
    1,887.44x = 2,581.53 × 1,857.20
  4. Step 4: Simplify right side
    1,887.44x = 4,794,417.52
  5. Step 5: Solve for x
    x = 4,794,417.52/1,887.44
  6. Step 6: Final answer
    x = 2,540.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.