Home / 3,138.63-4,708.19-1,058.61

Finding the Fourth Proportional to 3,138.63, 4,708.19 and 1,058.61

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Solution

The fourth proportional to 3,138.63, 4,708.19 and 1,058.61 is: 1,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.63 : 4,708.19 = 1,058.61 : x
  2. Step 2: Convert to fraction form
    3,138.63/4,708.19 = 1,058.61/x
  3. Step 3: Cross multiply
    3,138.63x = 4,708.19 × 1,058.61
  4. Step 4: Simplify right side
    3,138.63x = 4,984,137.02
  5. Step 5: Solve for x
    x = 4,984,137.02/3,138.63
  6. Step 6: Final answer
    x = 1,588.00

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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.