Home / 3,012.60-4,524.30-2,915.40

Finding the Fourth Proportional to 3,012.60, 4,524.30 and 2,915.40

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Solution

The fourth proportional to 3,012.60, 4,524.30 and 2,915.40 is: 4,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.60 : 4,524.30 = 2,915.40 : x
  2. Step 2: Convert to fraction form
    3,012.60/4,524.30 = 2,915.40/x
  3. Step 3: Cross multiply
    3,012.60x = 4,524.30 × 2,915.40
  4. Step 4: Simplify right side
    3,012.60x = 13,190,144.22
  5. Step 5: Solve for x
    x = 13,190,144.22/3,012.60
  6. Step 6: Final answer
    x = 4,378.33

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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.