Home / 1,615.22-2,214.47-1,586.06

Finding the Fourth Proportional to 1,615.22, 2,214.47 and 1,586.06

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Solution

The fourth proportional to 1,615.22, 2,214.47 and 1,586.06 is: 2,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.22 : 2,214.47 = 1,586.06 : x
  2. Step 2: Convert to fraction form
    1,615.22/2,214.47 = 1,586.06/x
  3. Step 3: Cross multiply
    1,615.22x = 2,214.47 × 1,586.06
  4. Step 4: Simplify right side
    1,615.22x = 3,512,275.18
  5. Step 5: Solve for x
    x = 3,512,275.18/1,615.22
  6. Step 6: Final answer
    x = 2,174.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.