Home / 1,615.28-2,213.56-1,459.76

Finding the Fourth Proportional to 1,615.28, 2,213.56 and 1,459.76

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Solution

The fourth proportional to 1,615.28, 2,213.56 and 1,459.76 is: 2,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.28 : 2,213.56 = 1,459.76 : x
  2. Step 2: Convert to fraction form
    1,615.28/2,213.56 = 1,459.76/x
  3. Step 3: Cross multiply
    1,615.28x = 2,213.56 × 1,459.76
  4. Step 4: Simplify right side
    1,615.28x = 3,231,266.35
  5. Step 5: Solve for x
    x = 3,231,266.35/1,615.28
  6. Step 6: Final answer
    x = 2,000.44

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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.