Home / 3,056.87-4,218.48-1,730.58

Finding the Fourth Proportional to 3,056.87, 4,218.48 and 1,730.58

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Solution

The fourth proportional to 3,056.87, 4,218.48 and 1,730.58 is: 2,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.87 : 4,218.48 = 1,730.58 : x
  2. Step 2: Convert to fraction form
    3,056.87/4,218.48 = 1,730.58/x
  3. Step 3: Cross multiply
    3,056.87x = 4,218.48 × 1,730.58
  4. Step 4: Simplify right side
    3,056.87x = 7,300,417.12
  5. Step 5: Solve for x
    x = 7,300,417.12/3,056.87
  6. Step 6: Final answer
    x = 2,388.20

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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.