Home / 3,260.20-4,510.74-2,847.40

Finding the Fourth Proportional to 3,260.20, 4,510.74 and 2,847.40

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Solution

The fourth proportional to 3,260.20, 4,510.74 and 2,847.40 is: 3,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.20 : 4,510.74 = 2,847.40 : x
  2. Step 2: Convert to fraction form
    3,260.20/4,510.74 = 2,847.40/x
  3. Step 3: Cross multiply
    3,260.20x = 4,510.74 × 2,847.40
  4. Step 4: Simplify right side
    3,260.20x = 12,843,881.08
  5. Step 5: Solve for x
    x = 12,843,881.08/3,260.20
  6. Step 6: Final answer
    x = 3,939.60

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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.