Home / 3,065.06-4,228.03-1,885.30

Finding the Fourth Proportional to 3,065.06, 4,228.03 and 1,885.30

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Solution

The fourth proportional to 3,065.06, 4,228.03 and 1,885.30 is: 2,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.06 : 4,228.03 = 1,885.30 : x
  2. Step 2: Convert to fraction form
    3,065.06/4,228.03 = 1,885.30/x
  3. Step 3: Cross multiply
    3,065.06x = 4,228.03 × 1,885.30
  4. Step 4: Simplify right side
    3,065.06x = 7,971,104.96
  5. Step 5: Solve for x
    x = 7,971,104.96/3,065.06
  6. Step 6: Final answer
    x = 2,600.64

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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.