Home / 1,812.60-2,723.45-1,154.77

Finding the Fourth Proportional to 1,812.60, 2,723.45 and 1,154.77

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Solution

The fourth proportional to 1,812.60, 2,723.45 and 1,154.77 is: 1,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.60 : 2,723.45 = 1,154.77 : x
  2. Step 2: Convert to fraction form
    1,812.60/2,723.45 = 1,154.77/x
  3. Step 3: Cross multiply
    1,812.60x = 2,723.45 × 1,154.77
  4. Step 4: Simplify right side
    1,812.60x = 3,144,954.43
  5. Step 5: Solve for x
    x = 3,144,954.43/1,812.60
  6. Step 6: Final answer
    x = 1,735.05

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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.