Home / 3,007.60-4,503.30-2,181.40

Finding the Fourth Proportional to 3,007.60, 4,503.30 and 2,181.40

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Solution

The fourth proportional to 3,007.60, 4,503.30 and 2,181.40 is: 3,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.60 : 4,503.30 = 2,181.40 : x
  2. Step 2: Convert to fraction form
    3,007.60/4,503.30 = 2,181.40/x
  3. Step 3: Cross multiply
    3,007.60x = 4,503.30 × 2,181.40
  4. Step 4: Simplify right side
    3,007.60x = 9,823,498.62
  5. Step 5: Solve for x
    x = 9,823,498.62/3,007.60
  6. Step 6: Final answer
    x = 3,266.23

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1.5x scale

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.