Home / 3,545.60-4,890.24-2,285.76

Finding the Fourth Proportional to 3,545.60, 4,890.24 and 2,285.76

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Solution

The fourth proportional to 3,545.60, 4,890.24 and 2,285.76 is: 3,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.60 : 4,890.24 = 2,285.76 : x
  2. Step 2: Convert to fraction form
    3,545.60/4,890.24 = 2,285.76/x
  3. Step 3: Cross multiply
    3,545.60x = 4,890.24 × 2,285.76
  4. Step 4: Simplify right side
    3,545.60x = 11,177,914.98
  5. Step 5: Solve for x
    x = 11,177,914.98/3,545.60
  6. Step 6: Final answer
    x = 3,152.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.