Home / 3,071.63-4,611.02-1,512.92

Finding the Fourth Proportional to 3,071.63, 4,611.02 and 1,512.92

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Solution

The fourth proportional to 3,071.63, 4,611.02 and 1,512.92 is: 2,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.63 : 4,611.02 = 1,512.92 : x
  2. Step 2: Convert to fraction form
    3,071.63/4,611.02 = 1,512.92/x
  3. Step 3: Cross multiply
    3,071.63x = 4,611.02 × 1,512.92
  4. Step 4: Simplify right side
    3,071.63x = 6,976,104.38
  5. Step 5: Solve for x
    x = 6,976,104.38/3,071.63
  6. Step 6: Final answer
    x = 2,271.14

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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.