Home / 3,429.16-4,732.74-1,937.68

Finding the Fourth Proportional to 3,429.16, 4,732.74 and 1,937.68

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Solution

The fourth proportional to 3,429.16, 4,732.74 and 1,937.68 is: 2,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.16 : 4,732.74 = 1,937.68 : x
  2. Step 2: Convert to fraction form
    3,429.16/4,732.74 = 1,937.68/x
  3. Step 3: Cross multiply
    3,429.16x = 4,732.74 × 1,937.68
  4. Step 4: Simplify right side
    3,429.16x = 9,170,535.64
  5. Step 5: Solve for x
    x = 9,170,535.64/3,429.16
  6. Step 6: Final answer
    x = 2,674.28

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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.