Home / 2,190.53-3,022.93-1,259.03

Finding the Fourth Proportional to 2,190.53, 3,022.93 and 1,259.03

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Solution

The fourth proportional to 2,190.53, 3,022.93 and 1,259.03 is: 1,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.53 : 3,022.93 = 1,259.03 : x
  2. Step 2: Convert to fraction form
    2,190.53/3,022.93 = 1,259.03/x
  3. Step 3: Cross multiply
    2,190.53x = 3,022.93 × 1,259.03
  4. Step 4: Simplify right side
    2,190.53x = 3,805,959.56
  5. Step 5: Solve for x
    x = 3,805,959.56/2,190.53
  6. Step 6: Final answer
    x = 1,737.46

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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.