Home / 1,903.08-2,854.62-1,172.91

Finding the Fourth Proportional to 1,903.08, 2,854.62 and 1,172.91

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Solution

The fourth proportional to 1,903.08, 2,854.62 and 1,172.91 is: 1,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.08 : 2,854.62 = 1,172.91 : x
  2. Step 2: Convert to fraction form
    1,903.08/2,854.62 = 1,172.91/x
  3. Step 3: Cross multiply
    1,903.08x = 2,854.62 × 1,172.91
  4. Step 4: Simplify right side
    1,903.08x = 3,348,212.34
  5. Step 5: Solve for x
    x = 3,348,212.34/1,903.08
  6. Step 6: Final answer
    x = 1,759.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.