Home / 3,019.63-4,166.69-1,675.22

Finding the Fourth Proportional to 3,019.63, 4,166.69 and 1,675.22

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Solution

The fourth proportional to 3,019.63, 4,166.69 and 1,675.22 is: 2,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.63 : 4,166.69 = 1,675.22 : x
  2. Step 2: Convert to fraction form
    3,019.63/4,166.69 = 1,675.22/x
  3. Step 3: Cross multiply
    3,019.63x = 4,166.69 × 1,675.22
  4. Step 4: Simplify right side
    3,019.63x = 6,980,108.84
  5. Step 5: Solve for x
    x = 6,980,108.84/3,019.63
  6. Step 6: Final answer
    x = 2,311.58

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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.