Home / 3,455.52-5,178.63-1,893.18

Finding the Fourth Proportional to 3,455.52, 5,178.63 and 1,893.18

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Solution

The fourth proportional to 3,455.52, 5,178.63 and 1,893.18 is: 2,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.52 : 5,178.63 = 1,893.18 : x
  2. Step 2: Convert to fraction form
    3,455.52/5,178.63 = 1,893.18/x
  3. Step 3: Cross multiply
    3,455.52x = 5,178.63 × 1,893.18
  4. Step 4: Simplify right side
    3,455.52x = 9,804,078.74
  5. Step 5: Solve for x
    x = 9,804,078.74/3,455.52
  6. Step 6: Final answer
    x = 2,837.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.