Home / 3,416.02-5,124.99-1,107.70

Finding the Fourth Proportional to 3,416.02, 5,124.99 and 1,107.70

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Solution

The fourth proportional to 3,416.02, 5,124.99 and 1,107.70 is: 1,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.02 : 5,124.99 = 1,107.70 : x
  2. Step 2: Convert to fraction form
    3,416.02/5,124.99 = 1,107.70/x
  3. Step 3: Cross multiply
    3,416.02x = 5,124.99 × 1,107.70
  4. Step 4: Simplify right side
    3,416.02x = 5,676,951.42
  5. Step 5: Solve for x
    x = 5,676,951.42/3,416.02
  6. Step 6: Final answer
    x = 1,661.86

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1.5x scale

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.