Home / 2,918.16-4,025.43-1,854.09

Finding the Fourth Proportional to 2,918.16, 4,025.43 and 1,854.09

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Solution

The fourth proportional to 2,918.16, 4,025.43 and 1,854.09 is: 2,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,025.43 = 1,854.09 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,025.43 = 1,854.09/x
  3. Step 3: Cross multiply
    2,918.16x = 4,025.43 × 1,854.09
  4. Step 4: Simplify right side
    2,918.16x = 7,463,509.51
  5. Step 5: Solve for x
    x = 7,463,509.51/2,918.16
  6. Step 6: Final answer
    x = 2,557.61

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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.