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Finding the Fourth Proportional to 3,072.92, 4,240.68 and 1,746.64

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Solution

The fourth proportional to 3,072.92, 4,240.68 and 1,746.64 is: 2,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.92 : 4,240.68 = 1,746.64 : x
  2. Step 2: Convert to fraction form
    3,072.92/4,240.68 = 1,746.64/x
  3. Step 3: Cross multiply
    3,072.92x = 4,240.68 × 1,746.64
  4. Step 4: Simplify right side
    3,072.92x = 7,406,941.32
  5. Step 5: Solve for x
    x = 7,406,941.32/3,072.92
  6. Step 6: Final answer
    x = 2,410.39

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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.