Home / 1,155.72-1,594.44-1,008.36

Finding the Fourth Proportional to 1,155.72, 1,594.44 and 1,008.36

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Solution

The fourth proportional to 1,155.72, 1,594.44 and 1,008.36 is: 1,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.72 : 1,594.44 = 1,008.36 : x
  2. Step 2: Convert to fraction form
    1,155.72/1,594.44 = 1,008.36/x
  3. Step 3: Cross multiply
    1,155.72x = 1,594.44 × 1,008.36
  4. Step 4: Simplify right side
    1,155.72x = 1,607,769.52
  5. Step 5: Solve for x
    x = 1,607,769.52/1,155.72
  6. Step 6: Final answer
    x = 1,391.14

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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.