Home / 2,186.43-3,018.47-1,584.39

Finding the Fourth Proportional to 2,186.43, 3,018.47 and 1,584.39

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Solution

The fourth proportional to 2,186.43, 3,018.47 and 1,584.39 is: 2,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.43 : 3,018.47 = 1,584.39 : x
  2. Step 2: Convert to fraction form
    2,186.43/3,018.47 = 1,584.39/x
  3. Step 3: Cross multiply
    2,186.43x = 3,018.47 × 1,584.39
  4. Step 4: Simplify right side
    2,186.43x = 4,782,437.08
  5. Step 5: Solve for x
    x = 4,782,437.08/2,186.43
  6. Step 6: Final answer
    x = 2,187.33

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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.