Home / 1,670.03-2,500.37-1,299.45

Finding the Fourth Proportional to 1,670.03, 2,500.37 and 1,299.45

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Solution

The fourth proportional to 1,670.03, 2,500.37 and 1,299.45 is: 1,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.03 : 2,500.37 = 1,299.45 : x
  2. Step 2: Convert to fraction form
    1,670.03/2,500.37 = 1,299.45/x
  3. Step 3: Cross multiply
    1,670.03x = 2,500.37 × 1,299.45
  4. Step 4: Simplify right side
    1,670.03x = 3,249,105.80
  5. Step 5: Solve for x
    x = 3,249,105.80/1,670.03
  6. Step 6: Final answer
    x = 1,945.54

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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.