Home / 2,960.48-4,439.27-1,728.20

Finding the Fourth Proportional to 2,960.48, 4,439.27 and 1,728.20

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Solution

The fourth proportional to 2,960.48, 4,439.27 and 1,728.20 is: 2,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.48 : 4,439.27 = 1,728.20 : x
  2. Step 2: Convert to fraction form
    2,960.48/4,439.27 = 1,728.20/x
  3. Step 3: Cross multiply
    2,960.48x = 4,439.27 × 1,728.20
  4. Step 4: Simplify right side
    2,960.48x = 7,671,961.83
  5. Step 5: Solve for x
    x = 7,671,961.83/2,960.48
  6. Step 6: Final answer
    x = 2,591.46

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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.