Home / 1,077.08-1,615.20-1,008.24

Finding the Fourth Proportional to 1,077.08, 1,615.20 and 1,008.24

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Solution

The fourth proportional to 1,077.08, 1,615.20 and 1,008.24 is: 1,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.08 : 1,615.20 = 1,008.24 : x
  2. Step 2: Convert to fraction form
    1,077.08/1,615.20 = 1,008.24/x
  3. Step 3: Cross multiply
    1,077.08x = 1,615.20 × 1,008.24
  4. Step 4: Simplify right side
    1,077.08x = 1,628,509.25
  5. Step 5: Solve for x
    x = 1,628,509.25/1,077.08
  6. Step 6: Final answer
    x = 1,511.97

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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.