Home / 1,504.28-2,256.15-682.36

Finding the Fourth Proportional to 1,504.28, 2,256.15 and 682.36

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Solution

The fourth proportional to 1,504.28, 2,256.15 and 682.36 is: 1,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.28 : 2,256.15 = 682.36 : x
  2. Step 2: Convert to fraction form
    1,504.28/2,256.15 = 682.36/x
  3. Step 3: Cross multiply
    1,504.28x = 2,256.15 × 682.36
  4. Step 4: Simplify right side
    1,504.28x = 1,539,506.51
  5. Step 5: Solve for x
    x = 1,539,506.51/1,504.28
  6. Step 6: Final answer
    x = 1,023.42

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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.