Home / 1,960.48-2,941.40-1,670.21

Finding the Fourth Proportional to 1,960.48, 2,941.40 and 1,670.21

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Solution

The fourth proportional to 1,960.48, 2,941.40 and 1,670.21 is: 2,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.48 : 2,941.40 = 1,670.21 : x
  2. Step 2: Convert to fraction form
    1,960.48/2,941.40 = 1,670.21/x
  3. Step 3: Cross multiply
    1,960.48x = 2,941.40 × 1,670.21
  4. Step 4: Simplify right side
    1,960.48x = 4,912,749.71
  5. Step 5: Solve for x
    x = 4,912,749.71/1,960.48
  6. Step 6: Final answer
    x = 2,505.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.