Home / 3,251.79-4,487.10-1,835.40

Finding the Fourth Proportional to 3,251.79, 4,487.10 and 1,835.40

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Solution

The fourth proportional to 3,251.79, 4,487.10 and 1,835.40 is: 2,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.79 : 4,487.10 = 1,835.40 : x
  2. Step 2: Convert to fraction form
    3,251.79/4,487.10 = 1,835.40/x
  3. Step 3: Cross multiply
    3,251.79x = 4,487.10 × 1,835.40
  4. Step 4: Simplify right side
    3,251.79x = 8,235,625.38
  5. Step 5: Solve for x
    x = 8,235,625.38/3,251.79
  6. Step 6: Final answer
    x = 2,532.64

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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.