Home / 1,993.04-2,987.16-1,442.24

Finding the Fourth Proportional to 1,993.04, 2,987.16 and 1,442.24

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Solution

The fourth proportional to 1,993.04, 2,987.16 and 1,442.24 is: 2,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.04 : 2,987.16 = 1,442.24 : x
  2. Step 2: Convert to fraction form
    1,993.04/2,987.16 = 1,442.24/x
  3. Step 3: Cross multiply
    1,993.04x = 2,987.16 × 1,442.24
  4. Step 4: Simplify right side
    1,993.04x = 4,308,201.64
  5. Step 5: Solve for x
    x = 4,308,201.64/1,993.04
  6. Step 6: Final answer
    x = 2,161.62

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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.