Home / 2,175.07-2,999.55-1,676.92

Finding the Fourth Proportional to 2,175.07, 2,999.55 and 1,676.92

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Solution

The fourth proportional to 2,175.07, 2,999.55 and 1,676.92 is: 2,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.07 : 2,999.55 = 1,676.92 : x
  2. Step 2: Convert to fraction form
    2,175.07/2,999.55 = 1,676.92/x
  3. Step 3: Cross multiply
    2,175.07x = 2,999.55 × 1,676.92
  4. Step 4: Simplify right side
    2,175.07x = 5,029,990.39
  5. Step 5: Solve for x
    x = 5,029,990.39/2,175.07
  6. Step 6: Final answer
    x = 2,312.57

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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.