Home / 3,117.57-4,676.36-1,143.29

Finding the Fourth Proportional to 3,117.57, 4,676.36 and 1,143.29

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Solution

The fourth proportional to 3,117.57, 4,676.36 and 1,143.29 is: 1,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.57 : 4,676.36 = 1,143.29 : x
  2. Step 2: Convert to fraction form
    3,117.57/4,676.36 = 1,143.29/x
  3. Step 3: Cross multiply
    3,117.57x = 4,676.36 × 1,143.29
  4. Step 4: Simplify right side
    3,117.57x = 5,346,415.29
  5. Step 5: Solve for x
    x = 5,346,415.29/3,117.57
  6. Step 6: Final answer
    x = 1,714.93

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.