Home / 1,892.13-2,611.39-1,106.17

Finding the Fourth Proportional to 1,892.13, 2,611.39 and 1,106.17

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Solution

The fourth proportional to 1,892.13, 2,611.39 and 1,106.17 is: 1,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.13 : 2,611.39 = 1,106.17 : x
  2. Step 2: Convert to fraction form
    1,892.13/2,611.39 = 1,106.17/x
  3. Step 3: Cross multiply
    1,892.13x = 2,611.39 × 1,106.17
  4. Step 4: Simplify right side
    1,892.13x = 2,888,648.75
  5. Step 5: Solve for x
    x = 2,888,648.75/1,892.13
  6. Step 6: Final answer
    x = 1,526.67

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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.