Home / 2,271.50-3,407.35-628.01

Finding the Fourth Proportional to 2,271.50, 3,407.35 and 628.01

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Solution

The fourth proportional to 2,271.50, 3,407.35 and 628.01 is: 942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.50 : 3,407.35 = 628.01 : x
  2. Step 2: Convert to fraction form
    2,271.50/3,407.35 = 628.01/x
  3. Step 3: Cross multiply
    2,271.50x = 3,407.35 × 628.01
  4. Step 4: Simplify right side
    2,271.50x = 2,139,849.87
  5. Step 5: Solve for x
    x = 2,139,849.87/2,271.50
  6. Step 6: Final answer
    x = 942.04

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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.