Home / 3,068.40-4,256.09-2,957.70

Finding the Fourth Proportional to 3,068.40, 4,256.09 and 2,957.70

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Solution

The fourth proportional to 3,068.40, 4,256.09 and 2,957.70 is: 4,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.40 : 4,256.09 = 2,957.70 : x
  2. Step 2: Convert to fraction form
    3,068.40/4,256.09 = 2,957.70/x
  3. Step 3: Cross multiply
    3,068.40x = 4,256.09 × 2,957.70
  4. Step 4: Simplify right side
    3,068.40x = 12,588,222.60
  5. Step 5: Solve for x
    x = 12,588,222.60/3,068.40
  6. Step 6: Final answer
    x = 4,102.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.