Home / 1,427.52-1,971.36-1,036.62

Finding the Fourth Proportional to 1,427.52, 1,971.36 and 1,036.62

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Solution

The fourth proportional to 1,427.52, 1,971.36 and 1,036.62 is: 1,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.52 : 1,971.36 = 1,036.62 : x
  2. Step 2: Convert to fraction form
    1,427.52/1,971.36 = 1,036.62/x
  3. Step 3: Cross multiply
    1,427.52x = 1,971.36 × 1,036.62
  4. Step 4: Simplify right side
    1,427.52x = 2,043,551.20
  5. Step 5: Solve for x
    x = 2,043,551.20/1,427.52
  6. Step 6: Final answer
    x = 1,431.54

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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.