Home / 1,610.25-2,223.08-1,208.67

Finding the Fourth Proportional to 1,610.25, 2,223.08 and 1,208.67

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Solution

The fourth proportional to 1,610.25, 2,223.08 and 1,208.67 is: 1,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.25 : 2,223.08 = 1,208.67 : x
  2. Step 2: Convert to fraction form
    1,610.25/2,223.08 = 1,208.67/x
  3. Step 3: Cross multiply
    1,610.25x = 2,223.08 × 1,208.67
  4. Step 4: Simplify right side
    1,610.25x = 2,686,970.10
  5. Step 5: Solve for x
    x = 2,686,970.10/1,610.25
  6. Step 6: Final answer
    x = 1,668.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.