Home / 1,551.18-2,325.73-858.18

Finding the Fourth Proportional to 1,551.18, 2,325.73 and 858.18

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Solution

The fourth proportional to 1,551.18, 2,325.73 and 858.18 is: 1,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.18 : 2,325.73 = 858.18 : x
  2. Step 2: Convert to fraction form
    1,551.18/2,325.73 = 858.18/x
  3. Step 3: Cross multiply
    1,551.18x = 2,325.73 × 858.18
  4. Step 4: Simplify right side
    1,551.18x = 1,995,894.97
  5. Step 5: Solve for x
    x = 1,995,894.97/1,551.18
  6. Step 6: Final answer
    x = 1,286.69

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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.