Home / 1,675.69-2,313.51-1,079.22

Finding the Fourth Proportional to 1,675.69, 2,313.51 and 1,079.22

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Solution

The fourth proportional to 1,675.69, 2,313.51 and 1,079.22 is: 1,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.69 : 2,313.51 = 1,079.22 : x
  2. Step 2: Convert to fraction form
    1,675.69/2,313.51 = 1,079.22/x
  3. Step 3: Cross multiply
    1,675.69x = 2,313.51 × 1,079.22
  4. Step 4: Simplify right side
    1,675.69x = 2,496,786.65
  5. Step 5: Solve for x
    x = 2,496,786.65/1,675.69
  6. Step 6: Final answer
    x = 1,490.00

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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.