Home / 1,899.22-2,620.53-1,837.06

Finding the Fourth Proportional to 1,899.22, 2,620.53 and 1,837.06

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Solution

The fourth proportional to 1,899.22, 2,620.53 and 1,837.06 is: 2,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.22 : 2,620.53 = 1,837.06 : x
  2. Step 2: Convert to fraction form
    1,899.22/2,620.53 = 1,837.06/x
  3. Step 3: Cross multiply
    1,899.22x = 2,620.53 × 1,837.06
  4. Step 4: Simplify right side
    1,899.22x = 4,814,070.84
  5. Step 5: Solve for x
    x = 4,814,070.84/1,899.22
  6. Step 6: Final answer
    x = 2,534.76

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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.