Home / 2,707.80-4,055.30-1,837.40

Finding the Fourth Proportional to 2,707.80, 4,055.30 and 1,837.40

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Solution

The fourth proportional to 2,707.80, 4,055.30 and 1,837.40 is: 2,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.80 : 4,055.30 = 1,837.40 : x
  2. Step 2: Convert to fraction form
    2,707.80/4,055.30 = 1,837.40/x
  3. Step 3: Cross multiply
    2,707.80x = 4,055.30 × 1,837.40
  4. Step 4: Simplify right side
    2,707.80x = 7,451,208.22
  5. Step 5: Solve for x
    x = 7,451,208.22/2,707.80
  6. Step 6: Final answer
    x = 2,751.76

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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.