Home / 3,089.49-4,611.76-2,861.07

Finding the Fourth Proportional to 3,089.49, 4,611.76 and 2,861.07

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Solution

The fourth proportional to 3,089.49, 4,611.76 and 2,861.07 is: 4,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.49 : 4,611.76 = 2,861.07 : x
  2. Step 2: Convert to fraction form
    3,089.49/4,611.76 = 2,861.07/x
  3. Step 3: Cross multiply
    3,089.49x = 4,611.76 × 2,861.07
  4. Step 4: Simplify right side
    3,089.49x = 13,194,543.74
  5. Step 5: Solve for x
    x = 13,194,543.74/3,089.49
  6. Step 6: Final answer
    x = 4,270.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.