Home / 1,412.10-1,948.44-1,014.48

Finding the Fourth Proportional to 1,412.10, 1,948.44 and 1,014.48

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Solution

The fourth proportional to 1,412.10, 1,948.44 and 1,014.48 is: 1,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.10 : 1,948.44 = 1,014.48 : x
  2. Step 2: Convert to fraction form
    1,412.10/1,948.44 = 1,014.48/x
  3. Step 3: Cross multiply
    1,412.10x = 1,948.44 × 1,014.48
  4. Step 4: Simplify right side
    1,412.10x = 1,976,653.41
  5. Step 5: Solve for x
    x = 1,976,653.41/1,412.10
  6. Step 6: Final answer
    x = 1,399.80

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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.