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Finding the Fourth Proportional to 2,570.41, 3,855.58 and 622.60

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Solution

The fourth proportional to 2,570.41, 3,855.58 and 622.60 is: 933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.41 : 3,855.58 = 622.60 : x
  2. Step 2: Convert to fraction form
    2,570.41/3,855.58 = 622.60/x
  3. Step 3: Cross multiply
    2,570.41x = 3,855.58 × 622.60
  4. Step 4: Simplify right side
    2,570.41x = 2,400,472.91
  5. Step 5: Solve for x
    x = 2,400,472.91/2,570.41
  6. Step 6: Final answer
    x = 933.89

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1.5x scale

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.