Home / 3,455.39-4,768.83-2,058.14

Finding the Fourth Proportional to 3,455.39, 4,768.83 and 2,058.14

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Solution

The fourth proportional to 3,455.39, 4,768.83 and 2,058.14 is: 2,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.39 : 4,768.83 = 2,058.14 : x
  2. Step 2: Convert to fraction form
    3,455.39/4,768.83 = 2,058.14/x
  3. Step 3: Cross multiply
    3,455.39x = 4,768.83 × 2,058.14
  4. Step 4: Simplify right side
    3,455.39x = 9,814,919.78
  5. Step 5: Solve for x
    x = 9,814,919.78/3,455.39
  6. Step 6: Final answer
    x = 2,840.47

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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.