Home / 1,497.18-2,066.14-867.76

Finding the Fourth Proportional to 1,497.18, 2,066.14 and 867.76

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Solution

The fourth proportional to 1,497.18, 2,066.14 and 867.76 is: 1,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.18 : 2,066.14 = 867.76 : x
  2. Step 2: Convert to fraction form
    1,497.18/2,066.14 = 867.76/x
  3. Step 3: Cross multiply
    1,497.18x = 2,066.14 × 867.76
  4. Step 4: Simplify right side
    1,497.18x = 1,792,913.65
  5. Step 5: Solve for x
    x = 1,792,913.65/1,497.18
  6. Step 6: Final answer
    x = 1,197.53

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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.