Home / 2,199.25-3,035.01-1,315.06

Finding the Fourth Proportional to 2,199.25, 3,035.01 and 1,315.06

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Solution

The fourth proportional to 2,199.25, 3,035.01 and 1,315.06 is: 1,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.25 : 3,035.01 = 1,315.06 : x
  2. Step 2: Convert to fraction form
    2,199.25/3,035.01 = 1,315.06/x
  3. Step 3: Cross multiply
    2,199.25x = 3,035.01 × 1,315.06
  4. Step 4: Simplify right side
    2,199.25x = 3,991,220.25
  5. Step 5: Solve for x
    x = 3,991,220.25/2,199.25
  6. Step 6: Final answer
    x = 1,814.81

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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.