Home / 3,970.24-5,956.95-1,505.77

Finding the Fourth Proportional to 3,970.24, 5,956.95 and 1,505.77

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Solution

The fourth proportional to 3,970.24, 5,956.95 and 1,505.77 is: 2,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.24 : 5,956.95 = 1,505.77 : x
  2. Step 2: Convert to fraction form
    3,970.24/5,956.95 = 1,505.77/x
  3. Step 3: Cross multiply
    3,970.24x = 5,956.95 × 1,505.77
  4. Step 4: Simplify right side
    3,970.24x = 8,969,796.60
  5. Step 5: Solve for x
    x = 8,969,796.60/3,970.24
  6. Step 6: Final answer
    x = 2,259.26

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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.