Home / 3,211.61-4,813.70-1,476.59

Finding the Fourth Proportional to 3,211.61, 4,813.70 and 1,476.59

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Solution

The fourth proportional to 3,211.61, 4,813.70 and 1,476.59 is: 2,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.61 : 4,813.70 = 1,476.59 : x
  2. Step 2: Convert to fraction form
    3,211.61/4,813.70 = 1,476.59/x
  3. Step 3: Cross multiply
    3,211.61x = 4,813.70 × 1,476.59
  4. Step 4: Simplify right side
    3,211.61x = 7,107,829.83
  5. Step 5: Solve for x
    x = 7,107,829.83/3,211.61
  6. Step 6: Final answer
    x = 2,213.17

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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.