Home / 2,918.93-4,028.12-1,592.63

Finding the Fourth Proportional to 2,918.93, 4,028.12 and 1,592.63

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Solution

The fourth proportional to 2,918.93, 4,028.12 and 1,592.63 is: 2,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.93 : 4,028.12 = 1,592.63 : x
  2. Step 2: Convert to fraction form
    2,918.93/4,028.12 = 1,592.63/x
  3. Step 3: Cross multiply
    2,918.93x = 4,028.12 × 1,592.63
  4. Step 4: Simplify right side
    2,918.93x = 6,415,276.65
  5. Step 5: Solve for x
    x = 6,415,276.65/2,918.93
  6. Step 6: Final answer
    x = 2,197.82

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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.