Home / 2,950.45-4,071.46-1,623.89

Finding the Fourth Proportional to 2,950.45, 4,071.46 and 1,623.89

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Solution

The fourth proportional to 2,950.45, 4,071.46 and 1,623.89 is: 2,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.45 : 4,071.46 = 1,623.89 : x
  2. Step 2: Convert to fraction form
    2,950.45/4,071.46 = 1,623.89/x
  3. Step 3: Cross multiply
    2,950.45x = 4,071.46 × 1,623.89
  4. Step 4: Simplify right side
    2,950.45x = 6,611,603.18
  5. Step 5: Solve for x
    x = 6,611,603.18/2,950.45
  6. Step 6: Final answer
    x = 2,240.88

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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.