Home / 1,663.24-2,297.60-1,575.76

Finding the Fourth Proportional to 1,663.24, 2,297.60 and 1,575.76

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Solution

The fourth proportional to 1,663.24, 2,297.60 and 1,575.76 is: 2,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.24 : 2,297.60 = 1,575.76 : x
  2. Step 2: Convert to fraction form
    1,663.24/2,297.60 = 1,575.76/x
  3. Step 3: Cross multiply
    1,663.24x = 2,297.60 × 1,575.76
  4. Step 4: Simplify right side
    1,663.24x = 3,620,466.18
  5. Step 5: Solve for x
    x = 3,620,466.18/1,663.24
  6. Step 6: Final answer
    x = 2,176.76

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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.