Home / 3,820.16-5,739.84-2,434.12

Finding the Fourth Proportional to 3,820.16, 5,739.84 and 2,434.12

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Solution

The fourth proportional to 3,820.16, 5,739.84 and 2,434.12 is: 3,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.16 : 5,739.84 = 2,434.12 : x
  2. Step 2: Convert to fraction form
    3,820.16/5,739.84 = 2,434.12/x
  3. Step 3: Cross multiply
    3,820.16x = 5,739.84 × 2,434.12
  4. Step 4: Simplify right side
    3,820.16x = 13,971,459.34
  5. Step 5: Solve for x
    x = 13,971,459.34/3,820.16
  6. Step 6: Final answer
    x = 3,657.30

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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.