Home / 1,474.40-2,196.76-1,453.28

Finding the Fourth Proportional to 1,474.40, 2,196.76 and 1,453.28

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Solution

The fourth proportional to 1,474.40, 2,196.76 and 1,453.28 is: 2,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.40 : 2,196.76 = 1,453.28 : x
  2. Step 2: Convert to fraction form
    1,474.40/2,196.76 = 1,453.28/x
  3. Step 3: Cross multiply
    1,474.40x = 2,196.76 × 1,453.28
  4. Step 4: Simplify right side
    1,474.40x = 3,192,507.37
  5. Step 5: Solve for x
    x = 3,192,507.37/1,474.40
  6. Step 6: Final answer
    x = 2,165.29

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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.