Home / 1,457.36-2,185.52-469.97

Finding the Fourth Proportional to 1,457.36, 2,185.52 and 469.97

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Solution

The fourth proportional to 1,457.36, 2,185.52 and 469.97 is: 704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.36 : 2,185.52 = 469.97 : x
  2. Step 2: Convert to fraction form
    1,457.36/2,185.52 = 469.97/x
  3. Step 3: Cross multiply
    1,457.36x = 2,185.52 × 469.97
  4. Step 4: Simplify right side
    1,457.36x = 1,027,128.83
  5. Step 5: Solve for x
    x = 1,027,128.83/1,457.36
  6. Step 6: Final answer
    x = 704.79

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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.