Home / 2,856.33-4,285.98-1,538.73

Finding the Fourth Proportional to 2,856.33, 4,285.98 and 1,538.73

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Solution

The fourth proportional to 2,856.33, 4,285.98 and 1,538.73 is: 2,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.33 : 4,285.98 = 1,538.73 : x
  2. Step 2: Convert to fraction form
    2,856.33/4,285.98 = 1,538.73/x
  3. Step 3: Cross multiply
    2,856.33x = 4,285.98 × 1,538.73
  4. Step 4: Simplify right side
    2,856.33x = 6,594,966.01
  5. Step 5: Solve for x
    x = 6,594,966.01/2,856.33
  6. Step 6: Final answer
    x = 2,308.89

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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.