Home / 3,056.91-4,218.34-1,730.76

Finding the Fourth Proportional to 3,056.91, 4,218.34 and 1,730.76

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Solution

The fourth proportional to 3,056.91, 4,218.34 and 1,730.76 is: 2,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.91 : 4,218.34 = 1,730.76 : x
  2. Step 2: Convert to fraction form
    3,056.91/4,218.34 = 1,730.76/x
  3. Step 3: Cross multiply
    3,056.91x = 4,218.34 × 1,730.76
  4. Step 4: Simplify right side
    3,056.91x = 7,300,934.14
  5. Step 5: Solve for x
    x = 7,300,934.14/3,056.91
  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.