Home / 2,545.80-3,812.50-1,763.72

Finding the Fourth Proportional to 2,545.80, 3,812.50 and 1,763.72

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Solution

The fourth proportional to 2,545.80, 3,812.50 and 1,763.72 is: 2,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.80 : 3,812.50 = 1,763.72 : x
  2. Step 2: Convert to fraction form
    2,545.80/3,812.50 = 1,763.72/x
  3. Step 3: Cross multiply
    2,545.80x = 3,812.50 × 1,763.72
  4. Step 4: Simplify right side
    2,545.80x = 6,724,182.50
  5. Step 5: Solve for x
    x = 6,724,182.50/2,545.80
  6. Step 6: Final answer
    x = 2,641.28

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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.