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Finding the Fourth Proportional to 2,915.30, 4,364.30 and 2,627.30

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Solution

The fourth proportional to 2,915.30, 4,364.30 and 2,627.30 is: 3,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.30 : 4,364.30 = 2,627.30 : x
  2. Step 2: Convert to fraction form
    2,915.30/4,364.30 = 2,627.30/x
  3. Step 3: Cross multiply
    2,915.30x = 4,364.30 × 2,627.30
  4. Step 4: Simplify right side
    2,915.30x = 11,466,325.39
  5. Step 5: Solve for x
    x = 11,466,325.39/2,915.30
  6. Step 6: Final answer
    x = 3,933.15

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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.