Home / 1,899.24-2,620.96-1,113.30

Finding the Fourth Proportional to 1,899.24, 2,620.96 and 1,113.30

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Solution

The fourth proportional to 1,899.24, 2,620.96 and 1,113.30 is: 1,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.24 : 2,620.96 = 1,113.30 : x
  2. Step 2: Convert to fraction form
    1,899.24/2,620.96 = 1,113.30/x
  3. Step 3: Cross multiply
    1,899.24x = 2,620.96 × 1,113.30
  4. Step 4: Simplify right side
    1,899.24x = 2,917,914.77
  5. Step 5: Solve for x
    x = 2,917,914.77/1,899.24
  6. Step 6: Final answer
    x = 1,536.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.