Home / 3,386.79-5,066.51-2,929.65

Finding the Fourth Proportional to 3,386.79, 5,066.51 and 2,929.65

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Solution

The fourth proportional to 3,386.79, 5,066.51 and 2,929.65 is: 4,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.79 : 5,066.51 = 2,929.65 : x
  2. Step 2: Convert to fraction form
    3,386.79/5,066.51 = 2,929.65/x
  3. Step 3: Cross multiply
    3,386.79x = 5,066.51 × 2,929.65
  4. Step 4: Simplify right side
    3,386.79x = 14,843,086.37
  5. Step 5: Solve for x
    x = 14,843,086.37/3,386.79
  6. Step 6: Final answer
    x = 4,382.64

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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.