Home / 2,189.52-3,284.28-1,605.15

Finding the Fourth Proportional to 2,189.52, 3,284.28 and 1,605.15

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Solution

The fourth proportional to 2,189.52, 3,284.28 and 1,605.15 is: 2,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.52 : 3,284.28 = 1,605.15 : x
  2. Step 2: Convert to fraction form
    2,189.52/3,284.28 = 1,605.15/x
  3. Step 3: Cross multiply
    2,189.52x = 3,284.28 × 1,605.15
  4. Step 4: Simplify right side
    2,189.52x = 5,271,762.04
  5. Step 5: Solve for x
    x = 5,271,762.04/2,189.52
  6. Step 6: Final answer
    x = 2,407.73

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Similar ratio
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1.5x scale

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.