Home / 2,508.67-3,464.54-2,118.79

Finding the Fourth Proportional to 2,508.67, 3,464.54 and 2,118.79

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Solution

The fourth proportional to 2,508.67, 3,464.54 and 2,118.79 is: 2,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.67 : 3,464.54 = 2,118.79 : x
  2. Step 2: Convert to fraction form
    2,508.67/3,464.54 = 2,118.79/x
  3. Step 3: Cross multiply
    2,508.67x = 3,464.54 × 2,118.79
  4. Step 4: Simplify right side
    2,508.67x = 7,340,632.71
  5. Step 5: Solve for x
    x = 7,340,632.71/2,508.67
  6. Step 6: Final answer
    x = 2,926.11

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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.