Home / 1,085.19-1,626.23-537.75

Finding the Fourth Proportional to 1,085.19, 1,626.23 and 537.75

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Solution

The fourth proportional to 1,085.19, 1,626.23 and 537.75 is: 805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.19 : 1,626.23 = 537.75 : x
  2. Step 2: Convert to fraction form
    1,085.19/1,626.23 = 537.75/x
  3. Step 3: Cross multiply
    1,085.19x = 1,626.23 × 537.75
  4. Step 4: Simplify right side
    1,085.19x = 874,502.49
  5. Step 5: Solve for x
    x = 874,502.49/1,085.19
  6. Step 6: Final answer
    x = 805.85

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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.