Home / 2,626.54-3,939.95-1,066.31

Finding the Fourth Proportional to 2,626.54, 3,939.95 and 1,066.31

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Solution

The fourth proportional to 2,626.54, 3,939.95 and 1,066.31 is: 1,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.54 : 3,939.95 = 1,066.31 : x
  2. Step 2: Convert to fraction form
    2,626.54/3,939.95 = 1,066.31/x
  3. Step 3: Cross multiply
    2,626.54x = 3,939.95 × 1,066.31
  4. Step 4: Simplify right side
    2,626.54x = 4,201,208.08
  5. Step 5: Solve for x
    x = 4,201,208.08/2,626.54
  6. Step 6: Final answer
    x = 1,599.52

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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.