Home / 2,287.23-3,156.44-1,403.52

Finding the Fourth Proportional to 2,287.23, 3,156.44 and 1,403.52

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Solution

The fourth proportional to 2,287.23, 3,156.44 and 1,403.52 is: 1,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.23 : 3,156.44 = 1,403.52 : x
  2. Step 2: Convert to fraction form
    2,287.23/3,156.44 = 1,403.52/x
  3. Step 3: Cross multiply
    2,287.23x = 3,156.44 × 1,403.52
  4. Step 4: Simplify right side
    2,287.23x = 4,430,126.67
  5. Step 5: Solve for x
    x = 4,430,126.67/2,287.23
  6. Step 6: Final answer
    x = 1,936.90

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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.