Home / 1,477.31-2,216.27-437.36

Finding the Fourth Proportional to 1,477.31, 2,216.27 and 437.36

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Solution

The fourth proportional to 1,477.31, 2,216.27 and 437.36 is: 656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.31 : 2,216.27 = 437.36 : x
  2. Step 2: Convert to fraction form
    1,477.31/2,216.27 = 437.36/x
  3. Step 3: Cross multiply
    1,477.31x = 2,216.27 × 437.36
  4. Step 4: Simplify right side
    1,477.31x = 969,297.86
  5. Step 5: Solve for x
    x = 969,297.86/1,477.31
  6. Step 6: Final answer
    x = 656.13

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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.