Home / 1,903.56-2,851.32-976.29

Finding the Fourth Proportional to 1,903.56, 2,851.32 and 976.29

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Solution

The fourth proportional to 1,903.56, 2,851.32 and 976.29 is: 1,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.56 : 2,851.32 = 976.29 : x
  2. Step 2: Convert to fraction form
    1,903.56/2,851.32 = 976.29/x
  3. Step 3: Cross multiply
    1,903.56x = 2,851.32 × 976.29
  4. Step 4: Simplify right side
    1,903.56x = 2,783,715.20
  5. Step 5: Solve for x
    x = 2,783,715.20/1,903.56
  6. Step 6: Final answer
    x = 1,462.37

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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.