Home / 1,155.73-1,733.58-290.04

Finding the Fourth Proportional to 1,155.73, 1,733.58 and 290.04

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Solution

The fourth proportional to 1,155.73, 1,733.58 and 290.04 is: 435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.73 : 1,733.58 = 290.04 : x
  2. Step 2: Convert to fraction form
    1,155.73/1,733.58 = 290.04/x
  3. Step 3: Cross multiply
    1,155.73x = 1,733.58 × 290.04
  4. Step 4: Simplify right side
    1,155.73x = 502,807.54
  5. Step 5: Solve for x
    x = 502,807.54/1,155.73
  6. Step 6: Final answer
    x = 435.06

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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.