Home / 1,901.42-2,623.19-1,155.26

Finding the Fourth Proportional to 1,901.42, 2,623.19 and 1,155.26

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Solution

The fourth proportional to 1,901.42, 2,623.19 and 1,155.26 is: 1,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.42 : 2,623.19 = 1,155.26 : x
  2. Step 2: Convert to fraction form
    1,901.42/2,623.19 = 1,155.26/x
  3. Step 3: Cross multiply
    1,901.42x = 2,623.19 × 1,155.26
  4. Step 4: Simplify right side
    1,901.42x = 3,030,467.26
  5. Step 5: Solve for x
    x = 3,030,467.26/1,901.42
  6. Step 6: Final answer
    x = 1,593.79

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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.