Home / 1,501.31-2,071.70-941.75

Finding the Fourth Proportional to 1,501.31, 2,071.70 and 941.75

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Solution

The fourth proportional to 1,501.31, 2,071.70 and 941.75 is: 1,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.31 : 2,071.70 = 941.75 : x
  2. Step 2: Convert to fraction form
    1,501.31/2,071.70 = 941.75/x
  3. Step 3: Cross multiply
    1,501.31x = 2,071.70 × 941.75
  4. Step 4: Simplify right side
    1,501.31x = 1,951,023.48
  5. Step 5: Solve for x
    x = 1,951,023.48/1,501.31
  6. Step 6: Final answer
    x = 1,299.55

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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.