Home / 3,776.50-5,663.67-1,585.72

Finding the Fourth Proportional to 3,776.50, 5,663.67 and 1,585.72

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Solution

The fourth proportional to 3,776.50, 5,663.67 and 1,585.72 is: 2,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.50 : 5,663.67 = 1,585.72 : x
  2. Step 2: Convert to fraction form
    3,776.50/5,663.67 = 1,585.72/x
  3. Step 3: Cross multiply
    3,776.50x = 5,663.67 × 1,585.72
  4. Step 4: Simplify right side
    3,776.50x = 8,980,994.79
  5. Step 5: Solve for x
    x = 8,980,994.79/3,776.50
  6. Step 6: Final answer
    x = 2,378.13

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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.