Home / 1,134.60-1,564.40-968.28

Finding the Fourth Proportional to 1,134.60, 1,564.40 and 968.28

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Solution

The fourth proportional to 1,134.60, 1,564.40 and 968.28 is: 1,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.60 : 1,564.40 = 968.28 : x
  2. Step 2: Convert to fraction form
    1,134.60/1,564.40 = 968.28/x
  3. Step 3: Cross multiply
    1,134.60x = 1,564.40 × 968.28
  4. Step 4: Simplify right side
    1,134.60x = 1,514,777.23
  5. Step 5: Solve for x
    x = 1,514,777.23/1,134.60
  6. Step 6: Final answer
    x = 1,335.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.