Home / 3,852.65-5,778.98-1,545.77

Finding the Fourth Proportional to 3,852.65, 5,778.98 and 1,545.77

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Solution

The fourth proportional to 3,852.65, 5,778.98 and 1,545.77 is: 2,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.65 : 5,778.98 = 1,545.77 : x
  2. Step 2: Convert to fraction form
    3,852.65/5,778.98 = 1,545.77/x
  3. Step 3: Cross multiply
    3,852.65x = 5,778.98 × 1,545.77
  4. Step 4: Simplify right side
    3,852.65x = 8,932,966.19
  5. Step 5: Solve for x
    x = 8,932,966.19/3,852.65
  6. Step 6: Final answer
    x = 2,318.66

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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.