Home / 1,769.65-2,440.94-1,372.34

Finding the Fourth Proportional to 1,769.65, 2,440.94 and 1,372.34

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Solution

The fourth proportional to 1,769.65, 2,440.94 and 1,372.34 is: 1,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.65 : 2,440.94 = 1,372.34 : x
  2. Step 2: Convert to fraction form
    1,769.65/2,440.94 = 1,372.34/x
  3. Step 3: Cross multiply
    1,769.65x = 2,440.94 × 1,372.34
  4. Step 4: Simplify right side
    1,769.65x = 3,349,798.84
  5. Step 5: Solve for x
    x = 3,349,798.84/1,769.65
  6. Step 6: Final answer
    x = 1,892.92

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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.