Home / 3,358.72-4,634.78-1,866.60

Finding the Fourth Proportional to 3,358.72, 4,634.78 and 1,866.60

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Solution

The fourth proportional to 3,358.72, 4,634.78 and 1,866.60 is: 2,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.72 : 4,634.78 = 1,866.60 : x
  2. Step 2: Convert to fraction form
    3,358.72/4,634.78 = 1,866.60/x
  3. Step 3: Cross multiply
    3,358.72x = 4,634.78 × 1,866.60
  4. Step 4: Simplify right side
    3,358.72x = 8,651,280.35
  5. Step 5: Solve for x
    x = 8,651,280.35/3,358.72
  6. Step 6: Final answer
    x = 2,575.77

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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.