Home / 2,181.08-3,271.73-948.53

Finding the Fourth Proportional to 2,181.08, 3,271.73 and 948.53

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Solution

The fourth proportional to 2,181.08, 3,271.73 and 948.53 is: 1,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.08 : 3,271.73 = 948.53 : x
  2. Step 2: Convert to fraction form
    2,181.08/3,271.73 = 948.53/x
  3. Step 3: Cross multiply
    2,181.08x = 3,271.73 × 948.53
  4. Step 4: Simplify right side
    2,181.08x = 3,103,312.96
  5. Step 5: Solve for x
    x = 3,103,312.96/2,181.08
  6. Step 6: Final answer
    x = 1,422.84

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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.