Home / 3,057.36-4,219.10-1,660.10

Finding the Fourth Proportional to 3,057.36, 4,219.10 and 1,660.10

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Solution

The fourth proportional to 3,057.36, 4,219.10 and 1,660.10 is: 2,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.36 : 4,219.10 = 1,660.10 : x
  2. Step 2: Convert to fraction form
    3,057.36/4,219.10 = 1,660.10/x
  3. Step 3: Cross multiply
    3,057.36x = 4,219.10 × 1,660.10
  4. Step 4: Simplify right side
    3,057.36x = 7,004,127.91
  5. Step 5: Solve for x
    x = 7,004,127.91/3,057.36
  6. Step 6: Final answer
    x = 2,290.91

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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.