Home / 2,619.10-3,927.63-1,058.81

Finding the Fourth Proportional to 2,619.10, 3,927.63 and 1,058.81

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Solution

The fourth proportional to 2,619.10, 3,927.63 and 1,058.81 is: 1,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.10 : 3,927.63 = 1,058.81 : x
  2. Step 2: Convert to fraction form
    2,619.10/3,927.63 = 1,058.81/x
  3. Step 3: Cross multiply
    2,619.10x = 3,927.63 × 1,058.81
  4. Step 4: Simplify right side
    2,619.10x = 4,158,613.92
  5. Step 5: Solve for x
    x = 4,158,613.92/2,619.10
  6. Step 6: Final answer
    x = 1,587.80

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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.