Home / 2,918.08-4,026.84-1,739.24

Finding the Fourth Proportional to 2,918.08, 4,026.84 and 1,739.24

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Solution

The fourth proportional to 2,918.08, 4,026.84 and 1,739.24 is: 2,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.08 : 4,026.84 = 1,739.24 : x
  2. Step 2: Convert to fraction form
    2,918.08/4,026.84 = 1,739.24/x
  3. Step 3: Cross multiply
    2,918.08x = 4,026.84 × 1,739.24
  4. Step 4: Simplify right side
    2,918.08x = 7,003,641.20
  5. Step 5: Solve for x
    x = 7,003,641.20/2,918.08
  6. Step 6: Final answer
    x = 2,400.09

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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.