Home / 3,059.34-4,221.81-1,800.11

Finding the Fourth Proportional to 3,059.34, 4,221.81 and 1,800.11

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Solution

The fourth proportional to 3,059.34, 4,221.81 and 1,800.11 is: 2,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.34 : 4,221.81 = 1,800.11 : x
  2. Step 2: Convert to fraction form
    3,059.34/4,221.81 = 1,800.11/x
  3. Step 3: Cross multiply
    3,059.34x = 4,221.81 × 1,800.11
  4. Step 4: Simplify right side
    3,059.34x = 7,599,722.40
  5. Step 5: Solve for x
    x = 7,599,722.40/3,059.34
  6. Step 6: Final answer
    x = 2,484.11

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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.