Home / 1,497.07-2,065.86-867.62

Finding the Fourth Proportional to 1,497.07, 2,065.86 and 867.62

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Solution

The fourth proportional to 1,497.07, 2,065.86 and 867.62 is: 1,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.07 : 2,065.86 = 867.62 : x
  2. Step 2: Convert to fraction form
    1,497.07/2,065.86 = 867.62/x
  3. Step 3: Cross multiply
    1,497.07x = 2,065.86 × 867.62
  4. Step 4: Simplify right side
    1,497.07x = 1,792,390.13
  5. Step 5: Solve for x
    x = 1,792,390.13/1,497.07
  6. Step 6: Final answer
    x = 1,197.27

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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.