Home / 2,950.13-4,071.12-1,623.80

Finding the Fourth Proportional to 2,950.13, 4,071.12 and 1,623.80

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Solution

The fourth proportional to 2,950.13, 4,071.12 and 1,623.80 is: 2,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.13 : 4,071.12 = 1,623.80 : x
  2. Step 2: Convert to fraction form
    2,950.13/4,071.12 = 1,623.80/x
  3. Step 3: Cross multiply
    2,950.13x = 4,071.12 × 1,623.80
  4. Step 4: Simplify right side
    2,950.13x = 6,610,684.66
  5. Step 5: Solve for x
    x = 6,610,684.66/2,950.13
  6. Step 6: Final answer
    x = 2,240.81

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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.