Home / 3,707.89-5,108.10-2,586.79

Finding the Fourth Proportional to 3,707.89, 5,108.10 and 2,586.79

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Solution

The fourth proportional to 3,707.89, 5,108.10 and 2,586.79 is: 3,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.89 : 5,108.10 = 2,586.79 : x
  2. Step 2: Convert to fraction form
    3,707.89/5,108.10 = 2,586.79/x
  3. Step 3: Cross multiply
    3,707.89x = 5,108.10 × 2,586.79
  4. Step 4: Simplify right side
    3,707.89x = 13,213,582.00
  5. Step 5: Solve for x
    x = 13,213,582.00/3,707.89
  6. Step 6: Final answer
    x = 3,563.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.