Home / 1,676.16-2,311.00-1,250.91

Finding the Fourth Proportional to 1,676.16, 2,311.00 and 1,250.91

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Solution

The fourth proportional to 1,676.16, 2,311.00 and 1,250.91 is: 1,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.16 : 2,311.00 = 1,250.91 : x
  2. Step 2: Convert to fraction form
    1,676.16/2,311.00 = 1,250.91/x
  3. Step 3: Cross multiply
    1,676.16x = 2,311.00 × 1,250.91
  4. Step 4: Simplify right side
    1,676.16x = 2,890,849.88
  5. Step 5: Solve for x
    x = 2,890,849.88/1,676.16
  6. Step 6: Final answer
    x = 1,724.69

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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.