Home / 2,519.58-3,778.75-1,058.34

Finding the Fourth Proportional to 2,519.58, 3,778.75 and 1,058.34

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Solution

The fourth proportional to 2,519.58, 3,778.75 and 1,058.34 is: 1,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.58 : 3,778.75 = 1,058.34 : x
  2. Step 2: Convert to fraction form
    2,519.58/3,778.75 = 1,058.34/x
  3. Step 3: Cross multiply
    2,519.58x = 3,778.75 × 1,058.34
  4. Step 4: Simplify right side
    2,519.58x = 3,999,202.28
  5. Step 5: Solve for x
    x = 3,999,202.28/2,519.58
  6. Step 6: Final answer
    x = 1,587.25

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1.5x scale

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.