Home / 3,613.41-4,985.96-2,041.20

Finding the Fourth Proportional to 3,613.41, 4,985.96 and 2,041.20

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Solution

The fourth proportional to 3,613.41, 4,985.96 and 2,041.20 is: 2,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.41 : 4,985.96 = 2,041.20 : x
  2. Step 2: Convert to fraction form
    3,613.41/4,985.96 = 2,041.20/x
  3. Step 3: Cross multiply
    3,613.41x = 4,985.96 × 2,041.20
  4. Step 4: Simplify right side
    3,613.41x = 10,177,331.35
  5. Step 5: Solve for x
    x = 10,177,331.35/3,613.41
  6. Step 6: Final answer
    x = 2,816.54

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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.