Home / 2,116.07-2,918.81-1,453.28

Finding the Fourth Proportional to 2,116.07, 2,918.81 and 1,453.28

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Solution

The fourth proportional to 2,116.07, 2,918.81 and 1,453.28 is: 2,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.07 : 2,918.81 = 1,453.28 : x
  2. Step 2: Convert to fraction form
    2,116.07/2,918.81 = 1,453.28/x
  3. Step 3: Cross multiply
    2,116.07x = 2,918.81 × 1,453.28
  4. Step 4: Simplify right side
    2,116.07x = 4,241,840.93
  5. Step 5: Solve for x
    x = 4,241,840.93/2,116.07
  6. Step 6: Final answer
    x = 2,004.58

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1.5x scale

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.