Home / 2,707.29-4,054.55-2,118.17

Finding the Fourth Proportional to 2,707.29, 4,054.55 and 2,118.17

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Solution

The fourth proportional to 2,707.29, 4,054.55 and 2,118.17 is: 3,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.29 : 4,054.55 = 2,118.17 : x
  2. Step 2: Convert to fraction form
    2,707.29/4,054.55 = 2,118.17/x
  3. Step 3: Cross multiply
    2,707.29x = 4,054.55 × 2,118.17
  4. Step 4: Simplify right side
    2,707.29x = 8,588,226.17
  5. Step 5: Solve for x
    x = 8,588,226.17/2,707.29
  6. Step 6: Final answer
    x = 3,172.26

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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.