Home / 2,071.95-2,855.94-1,623.05

Finding the Fourth Proportional to 2,071.95, 2,855.94 and 1,623.05

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Solution

The fourth proportional to 2,071.95, 2,855.94 and 1,623.05 is: 2,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.95 : 2,855.94 = 1,623.05 : x
  2. Step 2: Convert to fraction form
    2,071.95/2,855.94 = 1,623.05/x
  3. Step 3: Cross multiply
    2,071.95x = 2,855.94 × 1,623.05
  4. Step 4: Simplify right side
    2,071.95x = 4,635,319.14
  5. Step 5: Solve for x
    x = 4,635,319.14/2,071.95
  6. Step 6: Final answer
    x = 2,237.18

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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.