Home / 3,792.50-5,688.57-1,327.87

Finding the Fourth Proportional to 3,792.50, 5,688.57 and 1,327.87

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Solution

The fourth proportional to 3,792.50, 5,688.57 and 1,327.87 is: 1,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.50 : 5,688.57 = 1,327.87 : x
  2. Step 2: Convert to fraction form
    3,792.50/5,688.57 = 1,327.87/x
  3. Step 3: Cross multiply
    3,792.50x = 5,688.57 × 1,327.87
  4. Step 4: Simplify right side
    3,792.50x = 7,553,681.45
  5. Step 5: Solve for x
    x = 7,553,681.45/3,792.50
  6. Step 6: Final answer
    x = 1,991.74

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1.5x scale

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.