Home / 2,915.64-4,368.60-2,223.09

Finding the Fourth Proportional to 2,915.64, 4,368.60 and 2,223.09

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Solution

The fourth proportional to 2,915.64, 4,368.60 and 2,223.09 is: 3,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.64 : 4,368.60 = 2,223.09 : x
  2. Step 2: Convert to fraction form
    2,915.64/4,368.60 = 2,223.09/x
  3. Step 3: Cross multiply
    2,915.64x = 4,368.60 × 2,223.09
  4. Step 4: Simplify right side
    2,915.64x = 9,711,790.97
  5. Step 5: Solve for x
    x = 9,711,790.97/2,915.64
  6. Step 6: Final answer
    x = 3,330.93

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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.