Home / 3,460.96-5,186.40-1,730.80

Finding the Fourth Proportional to 3,460.96, 5,186.40 and 1,730.80

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Solution

The fourth proportional to 3,460.96, 5,186.40 and 1,730.80 is: 2,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.96 : 5,186.40 = 1,730.80 : x
  2. Step 2: Convert to fraction form
    3,460.96/5,186.40 = 1,730.80/x
  3. Step 3: Cross multiply
    3,460.96x = 5,186.40 × 1,730.80
  4. Step 4: Simplify right side
    3,460.96x = 8,976,621.12
  5. Step 5: Solve for x
    x = 8,976,621.12/3,460.96
  6. Step 6: Final answer
    x = 2,593.68

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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.