Home / 2,235.16-3,082.52-1,609.84

Finding the Fourth Proportional to 2,235.16, 3,082.52 and 1,609.84

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Solution

The fourth proportional to 2,235.16, 3,082.52 and 1,609.84 is: 2,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.16 : 3,082.52 = 1,609.84 : x
  2. Step 2: Convert to fraction form
    2,235.16/3,082.52 = 1,609.84/x
  3. Step 3: Cross multiply
    2,235.16x = 3,082.52 × 1,609.84
  4. Step 4: Simplify right side
    2,235.16x = 4,962,364.00
  5. Step 5: Solve for x
    x = 4,962,364.00/2,235.16
  6. Step 6: Final answer
    x = 2,220.14

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1.5x scale

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.