Home / 3,001.40-4,142.03-1,675.43

Finding the Fourth Proportional to 3,001.40, 4,142.03 and 1,675.43

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Solution

The fourth proportional to 3,001.40, 4,142.03 and 1,675.43 is: 2,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.40 : 4,142.03 = 1,675.43 : x
  2. Step 2: Convert to fraction form
    3,001.40/4,142.03 = 1,675.43/x
  3. Step 3: Cross multiply
    3,001.40x = 4,142.03 × 1,675.43
  4. Step 4: Simplify right side
    3,001.40x = 6,939,652.24
  5. Step 5: Solve for x
    x = 6,939,652.24/3,001.40
  6. Step 6: Final answer
    x = 2,312.14

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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.