Home / 3,572.68-4,930.58-2,080.05

Finding the Fourth Proportional to 3,572.68, 4,930.58 and 2,080.05

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Solution

The fourth proportional to 3,572.68, 4,930.58 and 2,080.05 is: 2,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.68 : 4,930.58 = 2,080.05 : x
  2. Step 2: Convert to fraction form
    3,572.68/4,930.58 = 2,080.05/x
  3. Step 3: Cross multiply
    3,572.68x = 4,930.58 × 2,080.05
  4. Step 4: Simplify right side
    3,572.68x = 10,255,884.17
  5. Step 5: Solve for x
    x = 10,255,884.17/3,572.68
  6. Step 6: Final answer
    x = 2,870.64

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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.