Home / 3,780.46-5,663.28-2,477.98

Finding the Fourth Proportional to 3,780.46, 5,663.28 and 2,477.98

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Solution

The fourth proportional to 3,780.46, 5,663.28 and 2,477.98 is: 3,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.46 : 5,663.28 = 2,477.98 : x
  2. Step 2: Convert to fraction form
    3,780.46/5,663.28 = 2,477.98/x
  3. Step 3: Cross multiply
    3,780.46x = 5,663.28 × 2,477.98
  4. Step 4: Simplify right side
    3,780.46x = 14,033,494.57
  5. Step 5: Solve for x
    x = 14,033,494.57/3,780.46
  6. Step 6: Final answer
    x = 3,712.11

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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.