Home / 3,118.33-4,303.37-1,859.63

Finding the Fourth Proportional to 3,118.33, 4,303.37 and 1,859.63

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Solution

The fourth proportional to 3,118.33, 4,303.37 and 1,859.63 is: 2,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.33 : 4,303.37 = 1,859.63 : x
  2. Step 2: Convert to fraction form
    3,118.33/4,303.37 = 1,859.63/x
  3. Step 3: Cross multiply
    3,118.33x = 4,303.37 × 1,859.63
  4. Step 4: Simplify right side
    3,118.33x = 8,002,665.19
  5. Step 5: Solve for x
    x = 8,002,665.19/3,118.33
  6. Step 6: Final answer
    x = 2,566.33

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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.