Home / 2,972.70-4,461.78-2,794.10

Finding the Fourth Proportional to 2,972.70, 4,461.78 and 2,794.10

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Solution

The fourth proportional to 2,972.70, 4,461.78 and 2,794.10 is: 4,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.70 : 4,461.78 = 2,794.10 : x
  2. Step 2: Convert to fraction form
    2,972.70/4,461.78 = 2,794.10/x
  3. Step 3: Cross multiply
    2,972.70x = 4,461.78 × 2,794.10
  4. Step 4: Simplify right side
    2,972.70x = 12,466,637.19
  5. Step 5: Solve for x
    x = 12,466,637.19/2,972.70
  6. Step 6: Final answer
    x = 4,193.71

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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.