Home / 1,438.75-2,158.73-1,073.04

Finding the Fourth Proportional to 1,438.75, 2,158.73 and 1,073.04

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Solution

The fourth proportional to 1,438.75, 2,158.73 and 1,073.04 is: 1,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438.75 : 2,158.73 = 1,073.04 : x
  2. Step 2: Convert to fraction form
    1,438.75/2,158.73 = 1,073.04/x
  3. Step 3: Cross multiply
    1,438.75x = 2,158.73 × 1,073.04
  4. Step 4: Simplify right side
    1,438.75x = 2,316,403.64
  5. Step 5: Solve for x
    x = 2,316,403.64/1,438.75
  6. Step 6: Final answer
    x = 1,610.01

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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.