Home / 2,865.22-3,953.10-1,606.10

Finding the Fourth Proportional to 2,865.22, 3,953.10 and 1,606.10

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Solution

The fourth proportional to 2,865.22, 3,953.10 and 1,606.10 is: 2,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.22 : 3,953.10 = 1,606.10 : x
  2. Step 2: Convert to fraction form
    2,865.22/3,953.10 = 1,606.10/x
  3. Step 3: Cross multiply
    2,865.22x = 3,953.10 × 1,606.10
  4. Step 4: Simplify right side
    2,865.22x = 6,349,073.91
  5. Step 5: Solve for x
    x = 6,349,073.91/2,865.22
  6. Step 6: Final answer
    x = 2,215.91

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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.