Home / 3,426.51-5,125.12-2,860.20

Finding the Fourth Proportional to 3,426.51, 5,125.12 and 2,860.20

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Solution

The fourth proportional to 3,426.51, 5,125.12 and 2,860.20 is: 4,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.51 : 5,125.12 = 2,860.20 : x
  2. Step 2: Convert to fraction form
    3,426.51/5,125.12 = 2,860.20/x
  3. Step 3: Cross multiply
    3,426.51x = 5,125.12 × 2,860.20
  4. Step 4: Simplify right side
    3,426.51x = 14,658,861.07
  5. Step 5: Solve for x
    x = 14,658,861.07/3,426.51
  6. Step 6: Final answer
    x = 4,278.07

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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.