Home / 2,962.19-4,087.70-1,635.87

Finding the Fourth Proportional to 2,962.19, 4,087.70 and 1,635.87

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Solution

The fourth proportional to 2,962.19, 4,087.70 and 1,635.87 is: 2,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.19 : 4,087.70 = 1,635.87 : x
  2. Step 2: Convert to fraction form
    2,962.19/4,087.70 = 1,635.87/x
  3. Step 3: Cross multiply
    2,962.19x = 4,087.70 × 1,635.87
  4. Step 4: Simplify right side
    2,962.19x = 6,686,917.18
  5. Step 5: Solve for x
    x = 6,686,917.18/2,962.19
  6. Step 6: Final answer
    x = 2,257.42

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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.