Home / 2,040.20-3,059.85-579.02

Finding the Fourth Proportional to 2,040.20, 3,059.85 and 579.02

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Solution

The fourth proportional to 2,040.20, 3,059.85 and 579.02 is: 868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.20 : 3,059.85 = 579.02 : x
  2. Step 2: Convert to fraction form
    2,040.20/3,059.85 = 579.02/x
  3. Step 3: Cross multiply
    2,040.20x = 3,059.85 × 579.02
  4. Step 4: Simplify right side
    2,040.20x = 1,771,714.35
  5. Step 5: Solve for x
    x = 1,771,714.35/2,040.20
  6. Step 6: Final answer
    x = 868.40

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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.