Home / 2,560.29-3,820.45-2,284.48

Finding the Fourth Proportional to 2,560.29, 3,820.45 and 2,284.48

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Solution

The fourth proportional to 2,560.29, 3,820.45 and 2,284.48 is: 3,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.29 : 3,820.45 = 2,284.48 : x
  2. Step 2: Convert to fraction form
    2,560.29/3,820.45 = 2,284.48/x
  3. Step 3: Cross multiply
    2,560.29x = 3,820.45 × 2,284.48
  4. Step 4: Simplify right side
    2,560.29x = 8,727,741.62
  5. Step 5: Solve for x
    x = 8,727,741.62/2,560.29
  6. Step 6: Final answer
    x = 3,408.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.