Home / 1,164.38-1,746.56-434.30

Finding the Fourth Proportional to 1,164.38, 1,746.56 and 434.30

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Solution

The fourth proportional to 1,164.38, 1,746.56 and 434.30 is: 651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.38 : 1,746.56 = 434.30 : x
  2. Step 2: Convert to fraction form
    1,164.38/1,746.56 = 434.30/x
  3. Step 3: Cross multiply
    1,164.38x = 1,746.56 × 434.30
  4. Step 4: Simplify right side
    1,164.38x = 758,523.36
  5. Step 5: Solve for x
    x = 758,523.36/1,164.38
  6. Step 6: Final answer
    x = 651.44

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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.