Home / 3,220.43-4,440.02-2,741.45

Finding the Fourth Proportional to 3,220.43, 4,440.02 and 2,741.45

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Solution

The fourth proportional to 3,220.43, 4,440.02 and 2,741.45 is: 3,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.43 : 4,440.02 = 2,741.45 : x
  2. Step 2: Convert to fraction form
    3,220.43/4,440.02 = 2,741.45/x
  3. Step 3: Cross multiply
    3,220.43x = 4,440.02 × 2,741.45
  4. Step 4: Simplify right side
    3,220.43x = 12,172,056.92
  5. Step 5: Solve for x
    x = 12,172,056.92/3,220.43
  6. Step 6: Final answer
    x = 3,779.64

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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.