Home / 3,271.03-4,512.47-2,011.57

Finding the Fourth Proportional to 3,271.03, 4,512.47 and 2,011.57

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Solution

The fourth proportional to 3,271.03, 4,512.47 and 2,011.57 is: 2,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.03 : 4,512.47 = 2,011.57 : x
  2. Step 2: Convert to fraction form
    3,271.03/4,512.47 = 2,011.57/x
  3. Step 3: Cross multiply
    3,271.03x = 4,512.47 × 2,011.57
  4. Step 4: Simplify right side
    3,271.03x = 9,077,127.94
  5. Step 5: Solve for x
    x = 9,077,127.94/3,271.03
  6. Step 6: Final answer
    x = 2,775.01

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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.