Home / 2,518.25-3,777.51-1,785.74

Finding the Fourth Proportional to 2,518.25, 3,777.51 and 1,785.74

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Solution

The fourth proportional to 2,518.25, 3,777.51 and 1,785.74 is: 2,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.25 : 3,777.51 = 1,785.74 : x
  2. Step 2: Convert to fraction form
    2,518.25/3,777.51 = 1,785.74/x
  3. Step 3: Cross multiply
    2,518.25x = 3,777.51 × 1,785.74
  4. Step 4: Simplify right side
    2,518.25x = 6,745,650.71
  5. Step 5: Solve for x
    x = 6,745,650.71/2,518.25
  6. Step 6: Final answer
    x = 2,678.71

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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.