Home / 3,701.04-5,107.36-2,129.04

Finding the Fourth Proportional to 3,701.04, 5,107.36 and 2,129.04

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Solution

The fourth proportional to 3,701.04, 5,107.36 and 2,129.04 is: 2,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.04 : 5,107.36 = 2,129.04 : x
  2. Step 2: Convert to fraction form
    3,701.04/5,107.36 = 2,129.04/x
  3. Step 3: Cross multiply
    3,701.04x = 5,107.36 × 2,129.04
  4. Step 4: Simplify right side
    3,701.04x = 10,873,773.73
  5. Step 5: Solve for x
    x = 10,873,773.73/3,701.04
  6. Step 6: Final answer
    x = 2,938.03

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Half scale
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Double scale
Find fourth proportional to 3,702.04, 5,108.74 and 2,130.04
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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.