Home / 1,376.79-2,066.54-1,010.54

Finding the Fourth Proportional to 1,376.79, 2,066.54 and 1,010.54

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Solution

The fourth proportional to 1,376.79, 2,066.54 and 1,010.54 is: 1,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.79 : 2,066.54 = 1,010.54 : x
  2. Step 2: Convert to fraction form
    1,376.79/2,066.54 = 1,010.54/x
  3. Step 3: Cross multiply
    1,376.79x = 2,066.54 × 1,010.54
  4. Step 4: Simplify right side
    1,376.79x = 2,088,305.95
  5. Step 5: Solve for x
    x = 2,088,305.95/1,376.79
  6. Step 6: Final answer
    x = 1,516.79

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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.