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Finding the Fourth Proportional to 3,073.44, 4,240.64 and 1,746.88

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Solution

The fourth proportional to 3,073.44, 4,240.64 and 1,746.88 is: 2,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.44 : 4,240.64 = 1,746.88 : x
  2. Step 2: Convert to fraction form
    3,073.44/4,240.64 = 1,746.88/x
  3. Step 3: Cross multiply
    3,073.44x = 4,240.64 × 1,746.88
  4. Step 4: Simplify right side
    3,073.44x = 7,407,889.20
  5. Step 5: Solve for x
    x = 7,407,889.20/3,073.44
  6. Step 6: Final answer
    x = 2,410.29

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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.