Home / 1,847.49-2,771.58-1,557.71

Finding the Fourth Proportional to 1,847.49, 2,771.58 and 1,557.71

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Solution

The fourth proportional to 1,847.49, 2,771.58 and 1,557.71 is: 2,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.49 : 2,771.58 = 1,557.71 : x
  2. Step 2: Convert to fraction form
    1,847.49/2,771.58 = 1,557.71/x
  3. Step 3: Cross multiply
    1,847.49x = 2,771.58 × 1,557.71
  4. Step 4: Simplify right side
    1,847.49x = 4,317,310.09
  5. Step 5: Solve for x
    x = 4,317,310.09/1,847.49
  6. Step 6: Final answer
    x = 2,336.85

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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.