Home / 2,957.58-4,425.38-1,856.79

Finding the Fourth Proportional to 2,957.58, 4,425.38 and 1,856.79

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Solution

The fourth proportional to 2,957.58, 4,425.38 and 1,856.79 is: 2,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.58 : 4,425.38 = 1,856.79 : x
  2. Step 2: Convert to fraction form
    2,957.58/4,425.38 = 1,856.79/x
  3. Step 3: Cross multiply
    2,957.58x = 4,425.38 × 1,856.79
  4. Step 4: Simplify right side
    2,957.58x = 8,216,969.92
  5. Step 5: Solve for x
    x = 8,216,969.92/2,957.58
  6. Step 6: Final answer
    x = 2,778.28

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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.