Home / 2,271.30-3,407.06-627.81

Finding the Fourth Proportional to 2,271.30, 3,407.06 and 627.81

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Solution

The fourth proportional to 2,271.30, 3,407.06 and 627.81 is: 941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.30 : 3,407.06 = 627.81 : x
  2. Step 2: Convert to fraction form
    2,271.30/3,407.06 = 627.81/x
  3. Step 3: Cross multiply
    2,271.30x = 3,407.06 × 627.81
  4. Step 4: Simplify right side
    2,271.30x = 2,138,986.34
  5. Step 5: Solve for x
    x = 2,138,986.34/2,271.30
  6. Step 6: Final answer
    x = 941.75

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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.