Home / 1,412.36-2,108.24-1,308.14

Finding the Fourth Proportional to 1,412.36, 2,108.24 and 1,308.14

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Solution

The fourth proportional to 1,412.36, 2,108.24 and 1,308.14 is: 1,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.36 : 2,108.24 = 1,308.14 : x
  2. Step 2: Convert to fraction form
    1,412.36/2,108.24 = 1,308.14/x
  3. Step 3: Cross multiply
    1,412.36x = 2,108.24 × 1,308.14
  4. Step 4: Simplify right side
    1,412.36x = 2,757,871.80
  5. Step 5: Solve for x
    x = 2,757,871.80/1,412.36
  6. Step 6: Final answer
    x = 1,952.67

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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.