Home / 1,914.13-2,641.48-1,074.81

Finding the Fourth Proportional to 1,914.13, 2,641.48 and 1,074.81

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Solution

The fourth proportional to 1,914.13, 2,641.48 and 1,074.81 is: 1,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.13 : 2,641.48 = 1,074.81 : x
  2. Step 2: Convert to fraction form
    1,914.13/2,641.48 = 1,074.81/x
  3. Step 3: Cross multiply
    1,914.13x = 2,641.48 × 1,074.81
  4. Step 4: Simplify right side
    1,914.13x = 2,839,096.34
  5. Step 5: Solve for x
    x = 2,839,096.34/1,914.13
  6. Step 6: Final answer
    x = 1,483.23

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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.