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Finding the Fourth Proportional to 3,763.99, 5,645.07 and 1,571.53

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Solution

The fourth proportional to 3,763.99, 5,645.07 and 1,571.53 is: 2,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.99 : 5,645.07 = 1,571.53 : x
  2. Step 2: Convert to fraction form
    3,763.99/5,645.07 = 1,571.53/x
  3. Step 3: Cross multiply
    3,763.99x = 5,645.07 × 1,571.53
  4. Step 4: Simplify right side
    3,763.99x = 8,871,368.63
  5. Step 5: Solve for x
    x = 8,871,368.63/3,763.99
  6. Step 6: Final answer
    x = 2,356.91

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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.