Home / 1,676.18-2,314.23-1,565.31

Finding the Fourth Proportional to 1,676.18, 2,314.23 and 1,565.31

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Solution

The fourth proportional to 1,676.18, 2,314.23 and 1,565.31 is: 2,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.18 : 2,314.23 = 1,565.31 : x
  2. Step 2: Convert to fraction form
    1,676.18/2,314.23 = 1,565.31/x
  3. Step 3: Cross multiply
    1,676.18x = 2,314.23 × 1,565.31
  4. Step 4: Simplify right side
    1,676.18x = 3,622,487.36
  5. Step 5: Solve for x
    x = 3,622,487.36/1,676.18
  6. Step 6: Final answer
    x = 2,161.16

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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.