Home / 3,001.56-4,141.68-1,675.20

Finding the Fourth Proportional to 3,001.56, 4,141.68 and 1,675.20

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Solution

The fourth proportional to 3,001.56, 4,141.68 and 1,675.20 is: 2,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.56 : 4,141.68 = 1,675.20 : x
  2. Step 2: Convert to fraction form
    3,001.56/4,141.68 = 1,675.20/x
  3. Step 3: Cross multiply
    3,001.56x = 4,141.68 × 1,675.20
  4. Step 4: Simplify right side
    3,001.56x = 6,938,142.34
  5. Step 5: Solve for x
    x = 6,938,142.34/3,001.56
  6. Step 6: Final answer
    x = 2,311.51

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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.