Home / 2,746.00-4,119.61-1,512.78

Finding the Fourth Proportional to 2,746.00, 4,119.61 and 1,512.78

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Solution

The fourth proportional to 2,746.00, 4,119.61 and 1,512.78 is: 2,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.00 : 4,119.61 = 1,512.78 : x
  2. Step 2: Convert to fraction form
    2,746.00/4,119.61 = 1,512.78/x
  3. Step 3: Cross multiply
    2,746.00x = 4,119.61 × 1,512.78
  4. Step 4: Simplify right side
    2,746.00x = 6,232,047.22
  5. Step 5: Solve for x
    x = 6,232,047.22/2,746.00
  6. Step 6: Final answer
    x = 2,269.50

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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.