Home / 2,690.56-4,036.96-1,048.26

Finding the Fourth Proportional to 2,690.56, 4,036.96 and 1,048.26

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Solution

The fourth proportional to 2,690.56, 4,036.96 and 1,048.26 is: 1,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.56 : 4,036.96 = 1,048.26 : x
  2. Step 2: Convert to fraction form
    2,690.56/4,036.96 = 1,048.26/x
  3. Step 3: Cross multiply
    2,690.56x = 4,036.96 × 1,048.26
  4. Step 4: Simplify right side
    2,690.56x = 4,231,783.69
  5. Step 5: Solve for x
    x = 4,231,783.69/2,690.56
  6. Step 6: Final answer
    x = 1,572.83

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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.