Home / 2,918.35-4,027.32-1,739.47

Finding the Fourth Proportional to 2,918.35, 4,027.32 and 1,739.47

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Solution

The fourth proportional to 2,918.35, 4,027.32 and 1,739.47 is: 2,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.35 : 4,027.32 = 1,739.47 : x
  2. Step 2: Convert to fraction form
    2,918.35/4,027.32 = 1,739.47/x
  3. Step 3: Cross multiply
    2,918.35x = 4,027.32 × 1,739.47
  4. Step 4: Simplify right side
    2,918.35x = 7,005,402.32
  5. Step 5: Solve for x
    x = 7,005,402.32/2,918.35
  6. Step 6: Final answer
    x = 2,400.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.