Home / 2,782.30-4,172.64-1,050.52

Finding the Fourth Proportional to 2,782.30, 4,172.64 and 1,050.52

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Solution

The fourth proportional to 2,782.30, 4,172.64 and 1,050.52 is: 1,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.30 : 4,172.64 = 1,050.52 : x
  2. Step 2: Convert to fraction form
    2,782.30/4,172.64 = 1,050.52/x
  3. Step 3: Cross multiply
    2,782.30x = 4,172.64 × 1,050.52
  4. Step 4: Simplify right side
    2,782.30x = 4,383,441.77
  5. Step 5: Solve for x
    x = 4,383,441.77/2,782.30
  6. Step 6: Final answer
    x = 1,575.47

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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.