Home / 3,240.52-4,853.46-2,143.36

Finding the Fourth Proportional to 3,240.52, 4,853.46 and 2,143.36

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Solution

The fourth proportional to 3,240.52, 4,853.46 and 2,143.36 is: 3,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.52 : 4,853.46 = 2,143.36 : x
  2. Step 2: Convert to fraction form
    3,240.52/4,853.46 = 2,143.36/x
  3. Step 3: Cross multiply
    3,240.52x = 4,853.46 × 2,143.36
  4. Step 4: Simplify right side
    3,240.52x = 10,402,712.03
  5. Step 5: Solve for x
    x = 10,402,712.03/3,240.52
  6. Step 6: Final answer
    x = 3,210.20

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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.