Home / 2,560.11-3,533.54-1,512.78

Finding the Fourth Proportional to 2,560.11, 3,533.54 and 1,512.78

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Solution

The fourth proportional to 2,560.11, 3,533.54 and 1,512.78 is: 2,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.11 : 3,533.54 = 1,512.78 : x
  2. Step 2: Convert to fraction form
    2,560.11/3,533.54 = 1,512.78/x
  3. Step 3: Cross multiply
    2,560.11x = 3,533.54 × 1,512.78
  4. Step 4: Simplify right side
    2,560.11x = 5,345,461.08
  5. Step 5: Solve for x
    x = 5,345,461.08/2,560.11
  6. Step 6: Final answer
    x = 2,087.98

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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.