Home / 2,135.02-3,200.37-834.70

Finding the Fourth Proportional to 2,135.02, 3,200.37 and 834.70

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Solution

The fourth proportional to 2,135.02, 3,200.37 and 834.70 is: 1,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.02 : 3,200.37 = 834.70 : x
  2. Step 2: Convert to fraction form
    2,135.02/3,200.37 = 834.70/x
  3. Step 3: Cross multiply
    2,135.02x = 3,200.37 × 834.70
  4. Step 4: Simplify right side
    2,135.02x = 2,671,348.84
  5. Step 5: Solve for x
    x = 2,671,348.84/2,135.02
  6. Step 6: Final answer
    x = 1,251.21

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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.