Home / 4,430.34-6,640.83-1,655.19

Finding the Fourth Proportional to 4,430.34, 6,640.83 and 1,655.19

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Solution

The fourth proportional to 4,430.34, 6,640.83 and 1,655.19 is: 2,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.34 : 6,640.83 = 1,655.19 : x
  2. Step 2: Convert to fraction form
    4,430.34/6,640.83 = 1,655.19/x
  3. Step 3: Cross multiply
    4,430.34x = 6,640.83 × 1,655.19
  4. Step 4: Simplify right side
    4,430.34x = 10,991,835.41
  5. Step 5: Solve for x
    x = 10,991,835.41/4,430.34
  6. Step 6: Final answer
    x = 2,481.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.