Home / 2,840.29-4,251.33-1,520.74

Finding the Fourth Proportional to 2,840.29, 4,251.33 and 1,520.74

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Solution

The fourth proportional to 2,840.29, 4,251.33 and 1,520.74 is: 2,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.29 : 4,251.33 = 1,520.74 : x
  2. Step 2: Convert to fraction form
    2,840.29/4,251.33 = 1,520.74/x
  3. Step 3: Cross multiply
    2,840.29x = 4,251.33 × 1,520.74
  4. Step 4: Simplify right side
    2,840.29x = 6,465,167.58
  5. Step 5: Solve for x
    x = 6,465,167.58/2,840.29
  6. Step 6: Final answer
    x = 2,276.24

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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.