Home / 1,456.32-2,169.60-1,453.44

Finding the Fourth Proportional to 1,456.32, 2,169.60 and 1,453.44

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Solution

The fourth proportional to 1,456.32, 2,169.60 and 1,453.44 is: 2,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.32 : 2,169.60 = 1,453.44 : x
  2. Step 2: Convert to fraction form
    1,456.32/2,169.60 = 1,453.44/x
  3. Step 3: Cross multiply
    1,456.32x = 2,169.60 × 1,453.44
  4. Step 4: Simplify right side
    1,456.32x = 3,153,383.42
  5. Step 5: Solve for x
    x = 3,153,383.42/1,456.32
  6. Step 6: Final answer
    x = 2,165.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.