Home / 3,970.85-5,956.67-1,373.45

Finding the Fourth Proportional to 3,970.85, 5,956.67 and 1,373.45

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Solution

The fourth proportional to 3,970.85, 5,956.67 and 1,373.45 is: 2,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.85 : 5,956.67 = 1,373.45 : x
  2. Step 2: Convert to fraction form
    3,970.85/5,956.67 = 1,373.45/x
  3. Step 3: Cross multiply
    3,970.85x = 5,956.67 × 1,373.45
  4. Step 4: Simplify right side
    3,970.85x = 8,181,151.76
  5. Step 5: Solve for x
    x = 8,181,151.76/3,970.85
  6. Step 6: Final answer
    x = 2,060.30

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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.