Home / 3,458.26-4,772.43-1,886.36

Finding the Fourth Proportional to 3,458.26, 4,772.43 and 1,886.36

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Solution

The fourth proportional to 3,458.26, 4,772.43 and 1,886.36 is: 2,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.26 : 4,772.43 = 1,886.36 : x
  2. Step 2: Convert to fraction form
    3,458.26/4,772.43 = 1,886.36/x
  3. Step 3: Cross multiply
    3,458.26x = 4,772.43 × 1,886.36
  4. Step 4: Simplify right side
    3,458.26x = 9,002,521.05
  5. Step 5: Solve for x
    x = 9,002,521.05/3,458.26
  6. Step 6: Final answer
    x = 2,603.19

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1.5x scale

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.