Home / 3,240.74-4,861.56-1,597.30

Finding the Fourth Proportional to 3,240.74, 4,861.56 and 1,597.30

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Solution

The fourth proportional to 3,240.74, 4,861.56 and 1,597.30 is: 2,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.74 : 4,861.56 = 1,597.30 : x
  2. Step 2: Convert to fraction form
    3,240.74/4,861.56 = 1,597.30/x
  3. Step 3: Cross multiply
    3,240.74x = 4,861.56 × 1,597.30
  4. Step 4: Simplify right side
    3,240.74x = 7,765,369.79
  5. Step 5: Solve for x
    x = 7,765,369.79/3,240.74
  6. Step 6: Final answer
    x = 2,396.17

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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.