Home / 3,572.30-4,930.07-2,080.35

Finding the Fourth Proportional to 3,572.30, 4,930.07 and 2,080.35

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Solution

The fourth proportional to 3,572.30, 4,930.07 and 2,080.35 is: 2,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.30 : 4,930.07 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    3,572.30/4,930.07 = 2,080.35/x
  3. Step 3: Cross multiply
    3,572.30x = 4,930.07 × 2,080.35
  4. Step 4: Simplify right side
    3,572.30x = 10,256,236.07
  5. Step 5: Solve for x
    x = 10,256,236.07/3,572.30
  6. Step 6: Final answer
    x = 2,871.05

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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.