Home / 1,453.14-2,177.96-959.45

Finding the Fourth Proportional to 1,453.14, 2,177.96 and 959.45

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Solution

The fourth proportional to 1,453.14, 2,177.96 and 959.45 is: 1,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.14 : 2,177.96 = 959.45 : x
  2. Step 2: Convert to fraction form
    1,453.14/2,177.96 = 959.45/x
  3. Step 3: Cross multiply
    1,453.14x = 2,177.96 × 959.45
  4. Step 4: Simplify right side
    1,453.14x = 2,089,628.03
  5. Step 5: Solve for x
    x = 2,089,628.03/1,453.14
  6. Step 6: Final answer
    x = 1,438.01

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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.