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Finding the Fourth Proportional to 2,670.70, 4,010.85 and 1,941.10

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Solution

The fourth proportional to 2,670.70, 4,010.85 and 1,941.10 is: 2,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.70 : 4,010.85 = 1,941.10 : x
  2. Step 2: Convert to fraction form
    2,670.70/4,010.85 = 1,941.10/x
  3. Step 3: Cross multiply
    2,670.70x = 4,010.85 × 1,941.10
  4. Step 4: Simplify right side
    2,670.70x = 7,785,460.94
  5. Step 5: Solve for x
    x = 7,785,460.94/2,670.70
  6. Step 6: Final answer
    x = 2,915.14

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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.