Home / 2,461.32-3,396.78-1,576.80

Finding the Fourth Proportional to 2,461.32, 3,396.78 and 1,576.80

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Solution

The fourth proportional to 2,461.32, 3,396.78 and 1,576.80 is: 2,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.32 : 3,396.78 = 1,576.80 : x
  2. Step 2: Convert to fraction form
    2,461.32/3,396.78 = 1,576.80/x
  3. Step 3: Cross multiply
    2,461.32x = 3,396.78 × 1,576.80
  4. Step 4: Simplify right side
    2,461.32x = 5,356,042.70
  5. Step 5: Solve for x
    x = 5,356,042.70/2,461.32
  6. Step 6: Final answer
    x = 2,176.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.