Home / 1,332.36-1,838.66-742.93

Finding the Fourth Proportional to 1,332.36, 1,838.66 and 742.93

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Solution

The fourth proportional to 1,332.36, 1,838.66 and 742.93 is: 1,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.36 : 1,838.66 = 742.93 : x
  2. Step 2: Convert to fraction form
    1,332.36/1,838.66 = 742.93/x
  3. Step 3: Cross multiply
    1,332.36x = 1,838.66 × 742.93
  4. Step 4: Simplify right side
    1,332.36x = 1,365,997.76
  5. Step 5: Solve for x
    x = 1,365,997.76/1,332.36
  6. Step 6: Final answer
    x = 1,025.25

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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.