Home / 3,354.78-5,033.58-1,688.02

Finding the Fourth Proportional to 3,354.78, 5,033.58 and 1,688.02

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Solution

The fourth proportional to 3,354.78, 5,033.58 and 1,688.02 is: 2,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.78 : 5,033.58 = 1,688.02 : x
  2. Step 2: Convert to fraction form
    3,354.78/5,033.58 = 1,688.02/x
  3. Step 3: Cross multiply
    3,354.78x = 5,033.58 × 1,688.02
  4. Step 4: Simplify right side
    3,354.78x = 8,496,783.71
  5. Step 5: Solve for x
    x = 8,496,783.71/3,354.78
  6. Step 6: Final answer
    x = 2,532.74

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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.