Home / 3,048.60-4,570.20-2,720.55

Finding the Fourth Proportional to 3,048.60, 4,570.20 and 2,720.55

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Solution

The fourth proportional to 3,048.60, 4,570.20 and 2,720.55 is: 4,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.60 : 4,570.20 = 2,720.55 : x
  2. Step 2: Convert to fraction form
    3,048.60/4,570.20 = 2,720.55/x
  3. Step 3: Cross multiply
    3,048.60x = 4,570.20 × 2,720.55
  4. Step 4: Simplify right side
    3,048.60x = 12,433,457.61
  5. Step 5: Solve for x
    x = 12,433,457.61/3,048.60
  6. Step 6: Final answer
    x = 4,078.42

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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.