Home / 2,137.48-3,204.61-1,442.19

Finding the Fourth Proportional to 2,137.48, 3,204.61 and 1,442.19

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Solution

The fourth proportional to 2,137.48, 3,204.61 and 1,442.19 is: 2,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.48 : 3,204.61 = 1,442.19 : x
  2. Step 2: Convert to fraction form
    2,137.48/3,204.61 = 1,442.19/x
  3. Step 3: Cross multiply
    2,137.48x = 3,204.61 × 1,442.19
  4. Step 4: Simplify right side
    2,137.48x = 4,621,656.50
  5. Step 5: Solve for x
    x = 4,621,656.50/2,137.48
  6. Step 6: Final answer
    x = 2,162.20

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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.