Home / 1,497.02-2,065.84-867.56

Finding the Fourth Proportional to 1,497.02, 2,065.84 and 867.56

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Solution

The fourth proportional to 1,497.02, 2,065.84 and 867.56 is: 1,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.02 : 2,065.84 = 867.56 : x
  2. Step 2: Convert to fraction form
    1,497.02/2,065.84 = 867.56/x
  3. Step 3: Cross multiply
    1,497.02x = 2,065.84 × 867.56
  4. Step 4: Simplify right side
    1,497.02x = 1,792,227.65
  5. Step 5: Solve for x
    x = 1,792,227.65/1,497.02
  6. Step 6: Final answer
    x = 1,197.20

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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.