Home / 2,125.62-2,933.14-1,181.40

Finding the Fourth Proportional to 2,125.62, 2,933.14 and 1,181.40

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Solution

The fourth proportional to 2,125.62, 2,933.14 and 1,181.40 is: 1,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.62 : 2,933.14 = 1,181.40 : x
  2. Step 2: Convert to fraction form
    2,125.62/2,933.14 = 1,181.40/x
  3. Step 3: Cross multiply
    2,125.62x = 2,933.14 × 1,181.40
  4. Step 4: Simplify right side
    2,125.62x = 3,465,211.60
  5. Step 5: Solve for x
    x = 3,465,211.60/2,125.62
  6. Step 6: Final answer
    x = 1,630.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.