Home / 3,157.41-4,740.72-2,613.05

Finding the Fourth Proportional to 3,157.41, 4,740.72 and 2,613.05

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Solution

The fourth proportional to 3,157.41, 4,740.72 and 2,613.05 is: 3,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.41 : 4,740.72 = 2,613.05 : x
  2. Step 2: Convert to fraction form
    3,157.41/4,740.72 = 2,613.05/x
  3. Step 3: Cross multiply
    3,157.41x = 4,740.72 × 2,613.05
  4. Step 4: Simplify right side
    3,157.41x = 12,387,738.40
  5. Step 5: Solve for x
    x = 12,387,738.40/3,157.41
  6. Step 6: Final answer
    x = 3,923.39

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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.