Home / 1,416.33-2,121.40-1,004.22

Finding the Fourth Proportional to 1,416.33, 2,121.40 and 1,004.22

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Solution

The fourth proportional to 1,416.33, 2,121.40 and 1,004.22 is: 1,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.33 : 2,121.40 = 1,004.22 : x
  2. Step 2: Convert to fraction form
    1,416.33/2,121.40 = 1,004.22/x
  3. Step 3: Cross multiply
    1,416.33x = 2,121.40 × 1,004.22
  4. Step 4: Simplify right side
    1,416.33x = 2,130,341.84
  5. Step 5: Solve for x
    x = 2,130,341.84/1,416.33
  6. Step 6: Final answer
    x = 1,504.13

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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.