Home / 2,058.21-2,840.49-1,174.28

Finding the Fourth Proportional to 2,058.21, 2,840.49 and 1,174.28

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Solution

The fourth proportional to 2,058.21, 2,840.49 and 1,174.28 is: 1,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.21 : 2,840.49 = 1,174.28 : x
  2. Step 2: Convert to fraction form
    2,058.21/2,840.49 = 1,174.28/x
  3. Step 3: Cross multiply
    2,058.21x = 2,840.49 × 1,174.28
  4. Step 4: Simplify right side
    2,058.21x = 3,335,516.39
  5. Step 5: Solve for x
    x = 3,335,516.39/2,058.21
  6. Step 6: Final answer
    x = 1,620.59

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1.5x scale

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.