Home / 2,085.36-3,127.50-624.66

Finding the Fourth Proportional to 2,085.36, 3,127.50 and 624.66

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Solution

The fourth proportional to 2,085.36, 3,127.50 and 624.66 is: 936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.36 : 3,127.50 = 624.66 : x
  2. Step 2: Convert to fraction form
    2,085.36/3,127.50 = 624.66/x
  3. Step 3: Cross multiply
    2,085.36x = 3,127.50 × 624.66
  4. Step 4: Simplify right side
    2,085.36x = 1,953,624.15
  5. Step 5: Solve for x
    x = 1,953,624.15/2,085.36
  6. Step 6: Final answer
    x = 936.83

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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.