Home / 2,669.15-4,000.48-1,889.37

Finding the Fourth Proportional to 2,669.15, 4,000.48 and 1,889.37

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Solution

The fourth proportional to 2,669.15, 4,000.48 and 1,889.37 is: 2,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.15 : 4,000.48 = 1,889.37 : x
  2. Step 2: Convert to fraction form
    2,669.15/4,000.48 = 1,889.37/x
  3. Step 3: Cross multiply
    2,669.15x = 4,000.48 × 1,889.37
  4. Step 4: Simplify right side
    2,669.15x = 7,558,397.18
  5. Step 5: Solve for x
    x = 7,558,397.18/2,669.15
  6. Step 6: Final answer
    x = 2,831.76

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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.