Home / 1,813.22-2,501.04-1,439.61

Finding the Fourth Proportional to 1,813.22, 2,501.04 and 1,439.61

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Solution

The fourth proportional to 1,813.22, 2,501.04 and 1,439.61 is: 1,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.22 : 2,501.04 = 1,439.61 : x
  2. Step 2: Convert to fraction form
    1,813.22/2,501.04 = 1,439.61/x
  3. Step 3: Cross multiply
    1,813.22x = 2,501.04 × 1,439.61
  4. Step 4: Simplify right side
    1,813.22x = 3,600,522.19
  5. Step 5: Solve for x
    x = 3,600,522.19/1,813.22
  6. Step 6: Final answer
    x = 1,985.71

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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.