Home / 1,549.37-2,319.03-1,138.41

Finding the Fourth Proportional to 1,549.37, 2,319.03 and 1,138.41

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Solution

The fourth proportional to 1,549.37, 2,319.03 and 1,138.41 is: 1,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.37 : 2,319.03 = 1,138.41 : x
  2. Step 2: Convert to fraction form
    1,549.37/2,319.03 = 1,138.41/x
  3. Step 3: Cross multiply
    1,549.37x = 2,319.03 × 1,138.41
  4. Step 4: Simplify right side
    1,549.37x = 2,640,006.94
  5. Step 5: Solve for x
    x = 2,640,006.94/1,549.37
  6. Step 6: Final answer
    x = 1,703.93

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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.