Home / 2,190.47-3,022.13-1,444.80

Finding the Fourth Proportional to 2,190.47, 3,022.13 and 1,444.80

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Solution

The fourth proportional to 2,190.47, 3,022.13 and 1,444.80 is: 1,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.47 : 3,022.13 = 1,444.80 : x
  2. Step 2: Convert to fraction form
    2,190.47/3,022.13 = 1,444.80/x
  3. Step 3: Cross multiply
    2,190.47x = 3,022.13 × 1,444.80
  4. Step 4: Simplify right side
    2,190.47x = 4,366,366.20
  5. Step 5: Solve for x
    x = 4,366,366.20/2,190.47
  6. Step 6: Final answer
    x = 1,993.35

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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.