Home / 2,830.70-4,246.05-2,393.30

Finding the Fourth Proportional to 2,830.70, 4,246.05 and 2,393.30

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Solution

The fourth proportional to 2,830.70, 4,246.05 and 2,393.30 is: 3,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.70 : 4,246.05 = 2,393.30 : x
  2. Step 2: Convert to fraction form
    2,830.70/4,246.05 = 2,393.30/x
  3. Step 3: Cross multiply
    2,830.70x = 4,246.05 × 2,393.30
  4. Step 4: Simplify right side
    2,830.70x = 10,162,071.47
  5. Step 5: Solve for x
    x = 10,162,071.47/2,830.70
  6. Step 6: Final answer
    x = 3,589.95

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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.