Home / 1,155.31-1,733.65-607.54

Finding the Fourth Proportional to 1,155.31, 1,733.65 and 607.54

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Solution

The fourth proportional to 1,155.31, 1,733.65 and 607.54 is: 911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.31 : 1,733.65 = 607.54 : x
  2. Step 2: Convert to fraction form
    1,155.31/1,733.65 = 607.54/x
  3. Step 3: Cross multiply
    1,155.31x = 1,733.65 × 607.54
  4. Step 4: Simplify right side
    1,155.31x = 1,053,253.76
  5. Step 5: Solve for x
    x = 1,053,253.76/1,155.31
  6. Step 6: Final answer
    x = 911.66

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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.