Home / 3,459.54-5,184.27-1,725.78

Finding the Fourth Proportional to 3,459.54, 5,184.27 and 1,725.78

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Solution

The fourth proportional to 3,459.54, 5,184.27 and 1,725.78 is: 2,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.54 : 5,184.27 = 1,725.78 : x
  2. Step 2: Convert to fraction form
    3,459.54/5,184.27 = 1,725.78/x
  3. Step 3: Cross multiply
    3,459.54x = 5,184.27 × 1,725.78
  4. Step 4: Simplify right side
    3,459.54x = 8,946,909.48
  5. Step 5: Solve for x
    x = 8,946,909.48/3,459.54
  6. Step 6: Final answer
    x = 2,586.16

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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.