Home / 3,608.47-4,980.23-2,613.39

Finding the Fourth Proportional to 3,608.47, 4,980.23 and 2,613.39

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Solution

The fourth proportional to 3,608.47, 4,980.23 and 2,613.39 is: 3,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.47 : 4,980.23 = 2,613.39 : x
  2. Step 2: Convert to fraction form
    3,608.47/4,980.23 = 2,613.39/x
  3. Step 3: Cross multiply
    3,608.47x = 4,980.23 × 2,613.39
  4. Step 4: Simplify right side
    3,608.47x = 13,015,283.28
  5. Step 5: Solve for x
    x = 13,015,283.28/3,608.47
  6. Step 6: Final answer
    x = 3,606.87

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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.