Home / 1,477.27-2,215.90-552.92

Finding the Fourth Proportional to 1,477.27, 2,215.90 and 552.92

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Solution

The fourth proportional to 1,477.27, 2,215.90 and 552.92 is: 829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.27 : 2,215.90 = 552.92 : x
  2. Step 2: Convert to fraction form
    1,477.27/2,215.90 = 552.92/x
  3. Step 3: Cross multiply
    1,477.27x = 2,215.90 × 552.92
  4. Step 4: Simplify right side
    1,477.27x = 1,225,215.43
  5. Step 5: Solve for x
    x = 1,225,215.43/1,477.27
  6. Step 6: Final answer
    x = 829.38

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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.