Home / 3,835.42-5,291.60-3,126.04

Finding the Fourth Proportional to 3,835.42, 5,291.60 and 3,126.04

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Solution

The fourth proportional to 3,835.42, 5,291.60 and 3,126.04 is: 4,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.42 : 5,291.60 = 3,126.04 : x
  2. Step 2: Convert to fraction form
    3,835.42/5,291.60 = 3,126.04/x
  3. Step 3: Cross multiply
    3,835.42x = 5,291.60 × 3,126.04
  4. Step 4: Simplify right side
    3,835.42x = 16,541,763.80
  5. Step 5: Solve for x
    x = 16,541,763.80/3,835.42
  6. Step 6: Final answer
    x = 4,312.90

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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.