Home / 4,108.77-5,670.10-2,220.35

Finding the Fourth Proportional to 4,108.77, 5,670.10 and 2,220.35

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Solution

The fourth proportional to 4,108.77, 5,670.10 and 2,220.35 is: 3,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.77 : 5,670.10 = 2,220.35 : x
  2. Step 2: Convert to fraction form
    4,108.77/5,670.10 = 2,220.35/x
  3. Step 3: Cross multiply
    4,108.77x = 5,670.10 × 2,220.35
  4. Step 4: Simplify right side
    4,108.77x = 12,589,623.49
  5. Step 5: Solve for x
    x = 12,589,623.49/4,108.77
  6. Step 6: Final answer
    x = 3,064.09

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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.