Home / 3,410.40-5,113.64-1,654.80

Finding the Fourth Proportional to 3,410.40, 5,113.64 and 1,654.80

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Solution

The fourth proportional to 3,410.40, 5,113.64 and 1,654.80 is: 2,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.40 : 5,113.64 = 1,654.80 : x
  2. Step 2: Convert to fraction form
    3,410.40/5,113.64 = 1,654.80/x
  3. Step 3: Cross multiply
    3,410.40x = 5,113.64 × 1,654.80
  4. Step 4: Simplify right side
    3,410.40x = 8,462,051.47
  5. Step 5: Solve for x
    x = 8,462,051.47/3,410.40
  6. Step 6: Final answer
    x = 2,481.25

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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.