Home / 2,114.24-2,918.67-1,407.26

Finding the Fourth Proportional to 2,114.24, 2,918.67 and 1,407.26

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Solution

The fourth proportional to 2,114.24, 2,918.67 and 1,407.26 is: 1,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.24 : 2,918.67 = 1,407.26 : x
  2. Step 2: Convert to fraction form
    2,114.24/2,918.67 = 1,407.26/x
  3. Step 3: Cross multiply
    2,114.24x = 2,918.67 × 1,407.26
  4. Step 4: Simplify right side
    2,114.24x = 4,107,327.54
  5. Step 5: Solve for x
    x = 4,107,327.54/2,114.24
  6. Step 6: Final answer
    x = 1,942.70

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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.