Home / 3,253.20-4,872.60-1,712.40

Finding the Fourth Proportional to 3,253.20, 4,872.60 and 1,712.40

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Solution

The fourth proportional to 3,253.20, 4,872.60 and 1,712.40 is: 2,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.20 : 4,872.60 = 1,712.40 : x
  2. Step 2: Convert to fraction form
    3,253.20/4,872.60 = 1,712.40/x
  3. Step 3: Cross multiply
    3,253.20x = 4,872.60 × 1,712.40
  4. Step 4: Simplify right side
    3,253.20x = 8,343,840.24
  5. Step 5: Solve for x
    x = 8,343,840.24/3,253.20
  6. Step 6: Final answer
    x = 2,564.81

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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.