Home / 2,087.37-3,130.65-1,983.29

Finding the Fourth Proportional to 2,087.37, 3,130.65 and 1,983.29

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Solution

The fourth proportional to 2,087.37, 3,130.65 and 1,983.29 is: 2,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.37 : 3,130.65 = 1,983.29 : x
  2. Step 2: Convert to fraction form
    2,087.37/3,130.65 = 1,983.29/x
  3. Step 3: Cross multiply
    2,087.37x = 3,130.65 × 1,983.29
  4. Step 4: Simplify right side
    2,087.37x = 6,208,971.19
  5. Step 5: Solve for x
    x = 6,208,971.19/2,087.37
  6. Step 6: Final answer
    x = 2,974.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.