Home / 3,462.77-5,191.20-1,271.12

Finding the Fourth Proportional to 3,462.77, 5,191.20 and 1,271.12

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Solution

The fourth proportional to 3,462.77, 5,191.20 and 1,271.12 is: 1,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.77 : 5,191.20 = 1,271.12 : x
  2. Step 2: Convert to fraction form
    3,462.77/5,191.20 = 1,271.12/x
  3. Step 3: Cross multiply
    3,462.77x = 5,191.20 × 1,271.12
  4. Step 4: Simplify right side
    3,462.77x = 6,598,638.14
  5. Step 5: Solve for x
    x = 6,598,638.14/3,462.77
  6. Step 6: Final answer
    x = 1,905.60

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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.