Home / 3,240.36-4,861.58-1,158.95

Finding the Fourth Proportional to 3,240.36, 4,861.58 and 1,158.95

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Solution

The fourth proportional to 3,240.36, 4,861.58 and 1,158.95 is: 1,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.36 : 4,861.58 = 1,158.95 : x
  2. Step 2: Convert to fraction form
    3,240.36/4,861.58 = 1,158.95/x
  3. Step 3: Cross multiply
    3,240.36x = 4,861.58 × 1,158.95
  4. Step 4: Simplify right side
    3,240.36x = 5,634,298.04
  5. Step 5: Solve for x
    x = 5,634,298.04/3,240.36
  6. Step 6: Final answer
    x = 1,738.79

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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.