Home / 3,150.92-4,347.74-1,824.40

Finding the Fourth Proportional to 3,150.92, 4,347.74 and 1,824.40

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Solution

The fourth proportional to 3,150.92, 4,347.74 and 1,824.40 is: 2,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.92 : 4,347.74 = 1,824.40 : x
  2. Step 2: Convert to fraction form
    3,150.92/4,347.74 = 1,824.40/x
  3. Step 3: Cross multiply
    3,150.92x = 4,347.74 × 1,824.40
  4. Step 4: Simplify right side
    3,150.92x = 7,931,986.00
  5. Step 5: Solve for x
    x = 7,931,986.00/3,150.92
  6. Step 6: Final answer
    x = 2,517.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.