Home / 3,056.92-4,218.33-1,730.77

Finding the Fourth Proportional to 3,056.92, 4,218.33 and 1,730.77

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Solution

The fourth proportional to 3,056.92, 4,218.33 and 1,730.77 is: 2,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.92 : 4,218.33 = 1,730.77 : x
  2. Step 2: Convert to fraction form
    3,056.92/4,218.33 = 1,730.77/x
  3. Step 3: Cross multiply
    3,056.92x = 4,218.33 × 1,730.77
  4. Step 4: Simplify right side
    3,056.92x = 7,300,959.01
  5. Step 5: Solve for x
    x = 7,300,959.01/3,056.92
  6. Step 6: Final answer
    x = 2,388.34

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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.