Home / 4,108.79-5,670.63-2,316.61

Finding the Fourth Proportional to 4,108.79, 5,670.63 and 2,316.61

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Solution

The fourth proportional to 4,108.79, 5,670.63 and 2,316.61 is: 3,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.79 : 5,670.63 = 2,316.61 : x
  2. Step 2: Convert to fraction form
    4,108.79/5,670.63 = 2,316.61/x
  3. Step 3: Cross multiply
    4,108.79x = 5,670.63 × 2,316.61
  4. Step 4: Simplify right side
    4,108.79x = 13,136,640.83
  5. Step 5: Solve for x
    x = 13,136,640.83/4,108.79
  6. Step 6: Final answer
    x = 3,197.21

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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.