Home / 2,289.31-3,157.08-1,493.24

Finding the Fourth Proportional to 2,289.31, 3,157.08 and 1,493.24

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Solution

The fourth proportional to 2,289.31, 3,157.08 and 1,493.24 is: 2,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.31 : 3,157.08 = 1,493.24 : x
  2. Step 2: Convert to fraction form
    2,289.31/3,157.08 = 1,493.24/x
  3. Step 3: Cross multiply
    2,289.31x = 3,157.08 × 1,493.24
  4. Step 4: Simplify right side
    2,289.31x = 4,714,270.67
  5. Step 5: Solve for x
    x = 4,714,270.67/2,289.31
  6. Step 6: Final answer
    x = 2,059.26

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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.