Home / 3,008.60-4,518.30-2,911.40

Finding the Fourth Proportional to 3,008.60, 4,518.30 and 2,911.40

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Solution

The fourth proportional to 3,008.60, 4,518.30 and 2,911.40 is: 4,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.60 : 4,518.30 = 2,911.40 : x
  2. Step 2: Convert to fraction form
    3,008.60/4,518.30 = 2,911.40/x
  3. Step 3: Cross multiply
    3,008.60x = 4,518.30 × 2,911.40
  4. Step 4: Simplify right side
    3,008.60x = 13,154,578.62
  5. Step 5: Solve for x
    x = 13,154,578.62/3,008.60
  6. Step 6: Final answer
    x = 4,372.33

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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.