Home / 1,889.70-2,607.82-1,050.48

Finding the Fourth Proportional to 1,889.70, 2,607.82 and 1,050.48

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Solution

The fourth proportional to 1,889.70, 2,607.82 and 1,050.48 is: 1,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.70 : 2,607.82 = 1,050.48 : x
  2. Step 2: Convert to fraction form
    1,889.70/2,607.82 = 1,050.48/x
  3. Step 3: Cross multiply
    1,889.70x = 2,607.82 × 1,050.48
  4. Step 4: Simplify right side
    1,889.70x = 2,739,462.75
  5. Step 5: Solve for x
    x = 2,739,462.75/1,889.70
  6. Step 6: Final answer
    x = 1,449.68

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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.