Home / 1,526.11-2,283.69-1,321.38

Finding the Fourth Proportional to 1,526.11, 2,283.69 and 1,321.38

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Solution

The fourth proportional to 1,526.11, 2,283.69 and 1,321.38 is: 1,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.11 : 2,283.69 = 1,321.38 : x
  2. Step 2: Convert to fraction form
    1,526.11/2,283.69 = 1,321.38/x
  3. Step 3: Cross multiply
    1,526.11x = 2,283.69 × 1,321.38
  4. Step 4: Simplify right side
    1,526.11x = 3,017,627.25
  5. Step 5: Solve for x
    x = 3,017,627.25/1,526.11
  6. Step 6: Final answer
    x = 1,977.34

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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.