Home / 1,453.18-2,181.93-1,427.26

Finding the Fourth Proportional to 1,453.18, 2,181.93 and 1,427.26

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Solution

The fourth proportional to 1,453.18, 2,181.93 and 1,427.26 is: 2,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.18 : 2,181.93 = 1,427.26 : x
  2. Step 2: Convert to fraction form
    1,453.18/2,181.93 = 1,427.26/x
  3. Step 3: Cross multiply
    1,453.18x = 2,181.93 × 1,427.26
  4. Step 4: Simplify right side
    1,453.18x = 3,114,181.41
  5. Step 5: Solve for x
    x = 3,114,181.41/1,453.18
  6. Step 6: Final answer
    x = 2,143.01

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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.