Home / 1,676.16-2,313.24-1,117.44

Finding the Fourth Proportional to 1,676.16, 2,313.24 and 1,117.44

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Solution

The fourth proportional to 1,676.16, 2,313.24 and 1,117.44 is: 1,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.16 : 2,313.24 = 1,117.44 : x
  2. Step 2: Convert to fraction form
    1,676.16/2,313.24 = 1,117.44/x
  3. Step 3: Cross multiply
    1,676.16x = 2,313.24 × 1,117.44
  4. Step 4: Simplify right side
    1,676.16x = 2,584,906.91
  5. Step 5: Solve for x
    x = 2,584,906.91/1,676.16
  6. Step 6: Final answer
    x = 1,542.16

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1.5x scale

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.