Home / 1,901.23-2,852.67-669.52

Finding the Fourth Proportional to 1,901.23, 2,852.67 and 669.52

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Solution

The fourth proportional to 1,901.23, 2,852.67 and 669.52 is: 1,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.23 : 2,852.67 = 669.52 : x
  2. Step 2: Convert to fraction form
    1,901.23/2,852.67 = 669.52/x
  3. Step 3: Cross multiply
    1,901.23x = 2,852.67 × 669.52
  4. Step 4: Simplify right side
    1,901.23x = 1,909,919.62
  5. Step 5: Solve for x
    x = 1,909,919.62/1,901.23
  6. Step 6: Final answer
    x = 1,004.57

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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.