Home / 2,108.16-2,908.91-1,610.01

Finding the Fourth Proportional to 2,108.16, 2,908.91 and 1,610.01

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Solution

The fourth proportional to 2,108.16, 2,908.91 and 1,610.01 is: 2,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.16 : 2,908.91 = 1,610.01 : x
  2. Step 2: Convert to fraction form
    2,108.16/2,908.91 = 1,610.01/x
  3. Step 3: Cross multiply
    2,108.16x = 2,908.91 × 1,610.01
  4. Step 4: Simplify right side
    2,108.16x = 4,683,378.21
  5. Step 5: Solve for x
    x = 4,683,378.21/2,108.16
  6. Step 6: Final answer
    x = 2,221.55

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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.