Home / 3,057.42-4,218.53-1,730.83

Finding the Fourth Proportional to 3,057.42, 4,218.53 and 1,730.83

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Solution

The fourth proportional to 3,057.42, 4,218.53 and 1,730.83 is: 2,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.42 : 4,218.53 = 1,730.83 : x
  2. Step 2: Convert to fraction form
    3,057.42/4,218.53 = 1,730.83/x
  3. Step 3: Cross multiply
    3,057.42x = 4,218.53 × 1,730.83
  4. Step 4: Simplify right side
    3,057.42x = 7,301,558.28
  5. Step 5: Solve for x
    x = 7,301,558.28/3,057.42
  6. Step 6: Final answer
    x = 2,388.14

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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.