Home / 3,150.48-4,724.91-1,302.12

Finding the Fourth Proportional to 3,150.48, 4,724.91 and 1,302.12

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Solution

The fourth proportional to 3,150.48, 4,724.91 and 1,302.12 is: 1,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.48 : 4,724.91 = 1,302.12 : x
  2. Step 2: Convert to fraction form
    3,150.48/4,724.91 = 1,302.12/x
  3. Step 3: Cross multiply
    3,150.48x = 4,724.91 × 1,302.12
  4. Step 4: Simplify right side
    3,150.48x = 6,152,399.81
  5. Step 5: Solve for x
    x = 6,152,399.81/3,150.48
  6. Step 6: Final answer
    x = 1,952.85

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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.