Home / 1,410.26-2,112.26-998.15

Finding the Fourth Proportional to 1,410.26, 2,112.26 and 998.15

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Solution

The fourth proportional to 1,410.26, 2,112.26 and 998.15 is: 1,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.26 : 2,112.26 = 998.15 : x
  2. Step 2: Convert to fraction form
    1,410.26/2,112.26 = 998.15/x
  3. Step 3: Cross multiply
    1,410.26x = 2,112.26 × 998.15
  4. Step 4: Simplify right side
    1,410.26x = 2,108,347.33
  5. Step 5: Solve for x
    x = 2,108,347.33/1,410.26
  6. Step 6: Final answer
    x = 1,495.01

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1.5x scale

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.