Home / 4,158.91-5,730.58-2,830.30

Finding the Fourth Proportional to 4,158.91, 5,730.58 and 2,830.30

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Solution

The fourth proportional to 4,158.91, 5,730.58 and 2,830.30 is: 3,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.91 : 5,730.58 = 2,830.30 : x
  2. Step 2: Convert to fraction form
    4,158.91/5,730.58 = 2,830.30/x
  3. Step 3: Cross multiply
    4,158.91x = 5,730.58 × 2,830.30
  4. Step 4: Simplify right side
    4,158.91x = 16,219,260.57
  5. Step 5: Solve for x
    x = 16,219,260.57/4,158.91
  6. Step 6: Final answer
    x = 3,899.88

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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.