Home / 2,856.94-4,262.36-2,545.29

Finding the Fourth Proportional to 2,856.94, 4,262.36 and 2,545.29

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Solution

The fourth proportional to 2,856.94, 4,262.36 and 2,545.29 is: 3,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.94 : 4,262.36 = 2,545.29 : x
  2. Step 2: Convert to fraction form
    2,856.94/4,262.36 = 2,545.29/x
  3. Step 3: Cross multiply
    2,856.94x = 4,262.36 × 2,545.29
  4. Step 4: Simplify right side
    2,856.94x = 10,848,929.56
  5. Step 5: Solve for x
    x = 10,848,929.56/2,856.94
  6. Step 6: Final answer
    x = 3,797.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.