Home / 2,173.50-2,999.52-1,242

Finding the Fourth Proportional to 2,173.50, 2,999.52 and 1,242

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Solution

The fourth proportional to 2,173.50, 2,999.52 and 1,242 is: 1,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.50 : 2,999.52 = 1,242 : x
  2. Step 2: Convert to fraction form
    2,173.50/2,999.52 = 1,242/x
  3. Step 3: Cross multiply
    2,173.50x = 2,999.52 × 1,242
  4. Step 4: Simplify right side
    2,173.50x = 3,725,403.84
  5. Step 5: Solve for x
    x = 3,725,403.84/2,173.50
  6. Step 6: Final answer
    x = 1,714.01

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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.