Home / 2,610.91-3,916.53-1,050.91

Finding the Fourth Proportional to 2,610.91, 3,916.53 and 1,050.91

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Solution

The fourth proportional to 2,610.91, 3,916.53 and 1,050.91 is: 1,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.91 : 3,916.53 = 1,050.91 : x
  2. Step 2: Convert to fraction form
    2,610.91/3,916.53 = 1,050.91/x
  3. Step 3: Cross multiply
    2,610.91x = 3,916.53 × 1,050.91
  4. Step 4: Simplify right side
    2,610.91x = 4,115,924.32
  5. Step 5: Solve for x
    x = 4,115,924.32/2,610.91
  6. Step 6: Final answer
    x = 1,576.43

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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.