Home / 2,619.16-3,927.76-1,058.74

Finding the Fourth Proportional to 2,619.16, 3,927.76 and 1,058.74

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Solution

The fourth proportional to 2,619.16, 3,927.76 and 1,058.74 is: 1,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.16 : 3,927.76 = 1,058.74 : x
  2. Step 2: Convert to fraction form
    2,619.16/3,927.76 = 1,058.74/x
  3. Step 3: Cross multiply
    2,619.16x = 3,927.76 × 1,058.74
  4. Step 4: Simplify right side
    2,619.16x = 4,158,464.16
  5. Step 5: Solve for x
    x = 4,158,464.16/2,619.16
  6. Step 6: Final answer
    x = 1,587.71

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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.