Home / 1,899.01-2,620.36-1,059.61

Finding the Fourth Proportional to 1,899.01, 2,620.36 and 1,059.61

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Solution

The fourth proportional to 1,899.01, 2,620.36 and 1,059.61 is: 1,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.01 : 2,620.36 = 1,059.61 : x
  2. Step 2: Convert to fraction form
    1,899.01/2,620.36 = 1,059.61/x
  3. Step 3: Cross multiply
    1,899.01x = 2,620.36 × 1,059.61
  4. Step 4: Simplify right side
    1,899.01x = 2,776,559.66
  5. Step 5: Solve for x
    x = 2,776,559.66/1,899.01
  6. Step 6: Final answer
    x = 1,462.11

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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.