Home / 3,166.36-4,750.61-1,782.40

Finding the Fourth Proportional to 3,166.36, 4,750.61 and 1,782.40

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Solution

The fourth proportional to 3,166.36, 4,750.61 and 1,782.40 is: 2,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.36 : 4,750.61 = 1,782.40 : x
  2. Step 2: Convert to fraction form
    3,166.36/4,750.61 = 1,782.40/x
  3. Step 3: Cross multiply
    3,166.36x = 4,750.61 × 1,782.40
  4. Step 4: Simplify right side
    3,166.36x = 8,467,487.26
  5. Step 5: Solve for x
    x = 8,467,487.26/3,166.36
  6. Step 6: Final answer
    x = 2,674.20

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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.