Home / 2,738.22-3,779.91-1,900.14

Finding the Fourth Proportional to 2,738.22, 3,779.91 and 1,900.14

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Solution

The fourth proportional to 2,738.22, 3,779.91 and 1,900.14 is: 2,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.22 : 3,779.91 = 1,900.14 : x
  2. Step 2: Convert to fraction form
    2,738.22/3,779.91 = 1,900.14/x
  3. Step 3: Cross multiply
    2,738.22x = 3,779.91 × 1,900.14
  4. Step 4: Simplify right side
    2,738.22x = 7,182,358.19
  5. Step 5: Solve for x
    x = 7,182,358.19/2,738.22
  6. Step 6: Final answer
    x = 2,623.00

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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.