Home / 1,962.72-2,705.40-1,632.24

Finding the Fourth Proportional to 1,962.72, 2,705.40 and 1,632.24

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Solution

The fourth proportional to 1,962.72, 2,705.40 and 1,632.24 is: 2,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.72 : 2,705.40 = 1,632.24 : x
  2. Step 2: Convert to fraction form
    1,962.72/2,705.40 = 1,632.24/x
  3. Step 3: Cross multiply
    1,962.72x = 2,705.40 × 1,632.24
  4. Step 4: Simplify right side
    1,962.72x = 4,415,862.10
  5. Step 5: Solve for x
    x = 4,415,862.10/1,962.72
  6. Step 6: Final answer
    x = 2,249.87

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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.