Home / 1,460.25-2,188.37-669.02

Finding the Fourth Proportional to 1,460.25, 2,188.37 and 669.02

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Solution

The fourth proportional to 1,460.25, 2,188.37 and 669.02 is: 1,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.25 : 2,188.37 = 669.02 : x
  2. Step 2: Convert to fraction form
    1,460.25/2,188.37 = 669.02/x
  3. Step 3: Cross multiply
    1,460.25x = 2,188.37 × 669.02
  4. Step 4: Simplify right side
    1,460.25x = 1,464,049.01
  5. Step 5: Solve for x
    x = 1,464,049.01/1,460.25
  6. Step 6: Final answer
    x = 1,002.60

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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.