Home / 2,199.70-3,035.08-1,302.99

Finding the Fourth Proportional to 2,199.70, 3,035.08 and 1,302.99

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Solution

The fourth proportional to 2,199.70, 3,035.08 and 1,302.99 is: 1,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.70 : 3,035.08 = 1,302.99 : x
  2. Step 2: Convert to fraction form
    2,199.70/3,035.08 = 1,302.99/x
  3. Step 3: Cross multiply
    2,199.70x = 3,035.08 × 1,302.99
  4. Step 4: Simplify right side
    2,199.70x = 3,954,678.89
  5. Step 5: Solve for x
    x = 3,954,678.89/2,199.70
  6. Step 6: Final answer
    x = 1,797.83

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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.