Home / 2,186.46-2,995.63-2,159.15

Finding the Fourth Proportional to 2,186.46, 2,995.63 and 2,159.15

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Solution

The fourth proportional to 2,186.46, 2,995.63 and 2,159.15 is: 2,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.46 : 2,995.63 = 2,159.15 : x
  2. Step 2: Convert to fraction form
    2,186.46/2,995.63 = 2,159.15/x
  3. Step 3: Cross multiply
    2,186.46x = 2,995.63 × 2,159.15
  4. Step 4: Simplify right side
    2,186.46x = 6,467,994.14
  5. Step 5: Solve for x
    x = 6,467,994.14/2,186.46
  6. Step 6: Final answer
    x = 2,958.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.