Home / 1,467.40-2,201.10-1,370.20

Finding the Fourth Proportional to 1,467.40, 2,201.10 and 1,370.20

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Solution

The fourth proportional to 1,467.40, 2,201.10 and 1,370.20 is: 2,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.40 : 2,201.10 = 1,370.20 : x
  2. Step 2: Convert to fraction form
    1,467.40/2,201.10 = 1,370.20/x
  3. Step 3: Cross multiply
    1,467.40x = 2,201.10 × 1,370.20
  4. Step 4: Simplify right side
    1,467.40x = 3,015,947.22
  5. Step 5: Solve for x
    x = 3,015,947.22/1,467.40
  6. Step 6: Final answer
    x = 2,055.30

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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.