Home / 1,455.43-2,008.37-1,014.28

Finding the Fourth Proportional to 1,455.43, 2,008.37 and 1,014.28

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Solution

The fourth proportional to 1,455.43, 2,008.37 and 1,014.28 is: 1,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.43 : 2,008.37 = 1,014.28 : x
  2. Step 2: Convert to fraction form
    1,455.43/2,008.37 = 1,014.28/x
  3. Step 3: Cross multiply
    1,455.43x = 2,008.37 × 1,014.28
  4. Step 4: Simplify right side
    1,455.43x = 2,037,057.08
  5. Step 5: Solve for x
    x = 2,037,057.08/1,455.43
  6. Step 6: Final answer
    x = 1,399.63

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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.