Home / 1,043.09-1,563.26-581.08

Finding the Fourth Proportional to 1,043.09, 1,563.26 and 581.08

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Solution

The fourth proportional to 1,043.09, 1,563.26 and 581.08 is: 870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.09 : 1,563.26 = 581.08 : x
  2. Step 2: Convert to fraction form
    1,043.09/1,563.26 = 581.08/x
  3. Step 3: Cross multiply
    1,043.09x = 1,563.26 × 581.08
  4. Step 4: Simplify right side
    1,043.09x = 908,381.27
  5. Step 5: Solve for x
    x = 908,381.27/1,043.09
  6. Step 6: Final answer
    x = 870.86

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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.