Home / 2,271.17-3,406.12-627.35

Finding the Fourth Proportional to 2,271.17, 3,406.12 and 627.35

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Solution

The fourth proportional to 2,271.17, 3,406.12 and 627.35 is: 940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.17 : 3,406.12 = 627.35 : x
  2. Step 2: Convert to fraction form
    2,271.17/3,406.12 = 627.35/x
  3. Step 3: Cross multiply
    2,271.17x = 3,406.12 × 627.35
  4. Step 4: Simplify right side
    2,271.17x = 2,136,810.78
  5. Step 5: Solve for x
    x = 2,136,810.78/2,271.17
  6. Step 6: Final answer
    x = 940.84

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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.