Home / 2,856.41-4,285.59-1,540.29

Finding the Fourth Proportional to 2,856.41, 4,285.59 and 1,540.29

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Solution

The fourth proportional to 2,856.41, 4,285.59 and 1,540.29 is: 2,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.41 : 4,285.59 = 1,540.29 : x
  2. Step 2: Convert to fraction form
    2,856.41/4,285.59 = 1,540.29/x
  3. Step 3: Cross multiply
    2,856.41x = 4,285.59 × 1,540.29
  4. Step 4: Simplify right side
    2,856.41x = 6,601,051.42
  5. Step 5: Solve for x
    x = 6,601,051.42/2,856.41
  6. Step 6: Final answer
    x = 2,310.96

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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.