Home / 2,560.68-3,528.42-2,000.28

Finding the Fourth Proportional to 2,560.68, 3,528.42 and 2,000.28

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Solution

The fourth proportional to 2,560.68, 3,528.42 and 2,000.28 is: 2,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.68 : 3,528.42 = 2,000.28 : x
  2. Step 2: Convert to fraction form
    2,560.68/3,528.42 = 2,000.28/x
  3. Step 3: Cross multiply
    2,560.68x = 3,528.42 × 2,000.28
  4. Step 4: Simplify right side
    2,560.68x = 7,057,827.96
  5. Step 5: Solve for x
    x = 7,057,827.96/2,560.68
  6. Step 6: Final answer
    x = 2,756.23

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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.