Home / 2,147.12-2,962.44-1,360.88

Finding the Fourth Proportional to 2,147.12, 2,962.44 and 1,360.88

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Solution

The fourth proportional to 2,147.12, 2,962.44 and 1,360.88 is: 1,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.12 : 2,962.44 = 1,360.88 : x
  2. Step 2: Convert to fraction form
    2,147.12/2,962.44 = 1,360.88/x
  3. Step 3: Cross multiply
    2,147.12x = 2,962.44 × 1,360.88
  4. Step 4: Simplify right side
    2,147.12x = 4,031,525.35
  5. Step 5: Solve for x
    x = 4,031,525.35/2,147.12
  6. Step 6: Final answer
    x = 1,877.64

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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.