Home / 1,676.57-2,313.69-1,088.12

Finding the Fourth Proportional to 1,676.57, 2,313.69 and 1,088.12

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Solution

The fourth proportional to 1,676.57, 2,313.69 and 1,088.12 is: 1,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.57 : 2,313.69 = 1,088.12 : x
  2. Step 2: Convert to fraction form
    1,676.57/2,313.69 = 1,088.12/x
  3. Step 3: Cross multiply
    1,676.57x = 2,313.69 × 1,088.12
  4. Step 4: Simplify right side
    1,676.57x = 2,517,560.79
  5. Step 5: Solve for x
    x = 2,517,560.79/1,676.57
  6. Step 6: Final answer
    x = 1,501.62

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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.