Home / 3,001.75-4,142.40-1,675.38

Finding the Fourth Proportional to 3,001.75, 4,142.40 and 1,675.38

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Solution

The fourth proportional to 3,001.75, 4,142.40 and 1,675.38 is: 2,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.75 : 4,142.40 = 1,675.38 : x
  2. Step 2: Convert to fraction form
    3,001.75/4,142.40 = 1,675.38/x
  3. Step 3: Cross multiply
    3,001.75x = 4,142.40 × 1,675.38
  4. Step 4: Simplify right side
    3,001.75x = 6,940,073.40
  5. Step 5: Solve for x
    x = 6,940,073.40/3,001.75
  6. Step 6: Final answer
    x = 2,312.01

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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.