Home / 1,931-2,664.96-1,103

Finding the Fourth Proportional to 1,931, 2,664.96 and 1,103

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Solution

The fourth proportional to 1,931, 2,664.96 and 1,103 is: 1,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931 : 2,664.96 = 1,103 : x
  2. Step 2: Convert to fraction form
    1,931/2,664.96 = 1,103/x
  3. Step 3: Cross multiply
    1,931x = 2,664.96 × 1,103
  4. Step 4: Simplify right side
    1,931x = 2,939,450.88
  5. Step 5: Solve for x
    x = 2,939,450.88/1,931
  6. Step 6: Final answer
    x = 1,522.24

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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.