Home / 2,730.79-4,095.31-1,170.37

Finding the Fourth Proportional to 2,730.79, 4,095.31 and 1,170.37

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Solution

The fourth proportional to 2,730.79, 4,095.31 and 1,170.37 is: 1,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.79 : 4,095.31 = 1,170.37 : x
  2. Step 2: Convert to fraction form
    2,730.79/4,095.31 = 1,170.37/x
  3. Step 3: Cross multiply
    2,730.79x = 4,095.31 × 1,170.37
  4. Step 4: Simplify right side
    2,730.79x = 4,793,043.87
  5. Step 5: Solve for x
    x = 4,793,043.87/2,730.79
  6. Step 6: Final answer
    x = 1,755.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.