Home / 3,560.10-5,340.16-2,078.60

Finding the Fourth Proportional to 3,560.10, 5,340.16 and 2,078.60

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Solution

The fourth proportional to 3,560.10, 5,340.16 and 2,078.60 is: 3,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.10 : 5,340.16 = 2,078.60 : x
  2. Step 2: Convert to fraction form
    3,560.10/5,340.16 = 2,078.60/x
  3. Step 3: Cross multiply
    3,560.10x = 5,340.16 × 2,078.60
  4. Step 4: Simplify right side
    3,560.10x = 11,100,056.58
  5. Step 5: Solve for x
    x = 11,100,056.58/3,560.10
  6. Step 6: Final answer
    x = 3,117.91

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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.