Home / 2,391.48-3,586.68-1,776.60

Finding the Fourth Proportional to 2,391.48, 3,586.68 and 1,776.60

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Solution

The fourth proportional to 2,391.48, 3,586.68 and 1,776.60 is: 2,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.48 : 3,586.68 = 1,776.60 : x
  2. Step 2: Convert to fraction form
    2,391.48/3,586.68 = 1,776.60/x
  3. Step 3: Cross multiply
    2,391.48x = 3,586.68 × 1,776.60
  4. Step 4: Simplify right side
    2,391.48x = 6,372,095.69
  5. Step 5: Solve for x
    x = 6,372,095.69/2,391.48
  6. Step 6: Final answer
    x = 2,664.50

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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.