Home / 3,476.74-5,215.12-1,011.56

Finding the Fourth Proportional to 3,476.74, 5,215.12 and 1,011.56

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Solution

The fourth proportional to 3,476.74, 5,215.12 and 1,011.56 is: 1,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.74 : 5,215.12 = 1,011.56 : x
  2. Step 2: Convert to fraction form
    3,476.74/5,215.12 = 1,011.56/x
  3. Step 3: Cross multiply
    3,476.74x = 5,215.12 × 1,011.56
  4. Step 4: Simplify right side
    3,476.74x = 5,275,406.79
  5. Step 5: Solve for x
    x = 5,275,406.79/3,476.74
  6. Step 6: Final answer
    x = 1,517.34

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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.