Home / 3,723.04-5,582.84-3,431.20

Finding the Fourth Proportional to 3,723.04, 5,582.84 and 3,431.20

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Solution

The fourth proportional to 3,723.04, 5,582.84 and 3,431.20 is: 5,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.04 : 5,582.84 = 3,431.20 : x
  2. Step 2: Convert to fraction form
    3,723.04/5,582.84 = 3,431.20/x
  3. Step 3: Cross multiply
    3,723.04x = 5,582.84 × 3,431.20
  4. Step 4: Simplify right side
    3,723.04x = 19,155,840.61
  5. Step 5: Solve for x
    x = 19,155,840.61/3,723.04
  6. Step 6: Final answer
    x = 5,145.21

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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.