Home / 1,554.85-2,331.59-824.25

Finding the Fourth Proportional to 1,554.85, 2,331.59 and 824.25

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Solution

The fourth proportional to 1,554.85, 2,331.59 and 824.25 is: 1,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.85 : 2,331.59 = 824.25 : x
  2. Step 2: Convert to fraction form
    1,554.85/2,331.59 = 824.25/x
  3. Step 3: Cross multiply
    1,554.85x = 2,331.59 × 824.25
  4. Step 4: Simplify right side
    1,554.85x = 1,921,808.94
  5. Step 5: Solve for x
    x = 1,921,808.94/1,554.85
  6. Step 6: Final answer
    x = 1,236.01

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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.