Home / 1,847.50-2,771.58-1,116.20

Finding the Fourth Proportional to 1,847.50, 2,771.58 and 1,116.20

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Solution

The fourth proportional to 1,847.50, 2,771.58 and 1,116.20 is: 1,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.50 : 2,771.58 = 1,116.20 : x
  2. Step 2: Convert to fraction form
    1,847.50/2,771.58 = 1,116.20/x
  3. Step 3: Cross multiply
    1,847.50x = 2,771.58 × 1,116.20
  4. Step 4: Simplify right side
    1,847.50x = 3,093,648.71
  5. Step 5: Solve for x
    x = 3,093,648.71/1,847.50
  6. Step 6: Final answer
    x = 1,674.51

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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.