Home / 2,618.36-3,927.60-1,058.08

Finding the Fourth Proportional to 2,618.36, 3,927.60 and 1,058.08

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Solution

The fourth proportional to 2,618.36, 3,927.60 and 1,058.08 is: 1,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.36 : 3,927.60 = 1,058.08 : x
  2. Step 2: Convert to fraction form
    2,618.36/3,927.60 = 1,058.08/x
  3. Step 3: Cross multiply
    2,618.36x = 3,927.60 × 1,058.08
  4. Step 4: Simplify right side
    2,618.36x = 4,155,697.47
  5. Step 5: Solve for x
    x = 4,155,697.47/2,618.36
  6. Step 6: Final answer
    x = 1,587.14

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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.