Home / 1,477.21-2,215.86-552.59

Finding the Fourth Proportional to 1,477.21, 2,215.86 and 552.59

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Solution

The fourth proportional to 1,477.21, 2,215.86 and 552.59 is: 828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.21 : 2,215.86 = 552.59 : x
  2. Step 2: Convert to fraction form
    1,477.21/2,215.86 = 552.59/x
  3. Step 3: Cross multiply
    1,477.21x = 2,215.86 × 552.59
  4. Step 4: Simplify right side
    1,477.21x = 1,224,472.42
  5. Step 5: Solve for x
    x = 1,224,472.42/1,477.21
  6. Step 6: Final answer
    x = 828.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.