Home / 2,612.90-3,606.09-1,565.22

Finding the Fourth Proportional to 2,612.90, 3,606.09 and 1,565.22

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Solution

The fourth proportional to 2,612.90, 3,606.09 and 1,565.22 is: 2,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.90 : 3,606.09 = 1,565.22 : x
  2. Step 2: Convert to fraction form
    2,612.90/3,606.09 = 1,565.22/x
  3. Step 3: Cross multiply
    2,612.90x = 3,606.09 × 1,565.22
  4. Step 4: Simplify right side
    2,612.90x = 5,644,324.19
  5. Step 5: Solve for x
    x = 5,644,324.19/2,612.90
  6. Step 6: Final answer
    x = 2,160.18

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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.