Home / 3,458.51-4,772.73-1,886.61

Finding the Fourth Proportional to 3,458.51, 4,772.73 and 1,886.61

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Solution

The fourth proportional to 3,458.51, 4,772.73 and 1,886.61 is: 2,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.51 : 4,772.73 = 1,886.61 : x
  2. Step 2: Convert to fraction form
    3,458.51/4,772.73 = 1,886.61/x
  3. Step 3: Cross multiply
    3,458.51x = 4,772.73 × 1,886.61
  4. Step 4: Simplify right side
    3,458.51x = 9,004,280.15
  5. Step 5: Solve for x
    x = 9,004,280.15/3,458.51
  6. Step 6: Final answer
    x = 2,603.51

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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.