Home / 3,455.43-4,767.90-3,280.29

Finding the Fourth Proportional to 3,455.43, 4,767.90 and 3,280.29

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Solution

The fourth proportional to 3,455.43, 4,767.90 and 3,280.29 is: 4,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.43 : 4,767.90 = 3,280.29 : x
  2. Step 2: Convert to fraction form
    3,455.43/4,767.90 = 3,280.29/x
  3. Step 3: Cross multiply
    3,455.43x = 4,767.90 × 3,280.29
  4. Step 4: Simplify right side
    3,455.43x = 15,640,094.69
  5. Step 5: Solve for x
    x = 15,640,094.69/3,455.43
  6. Step 6: Final answer
    x = 4,526.24

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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.