Home / 1,497.47-2,247.80-1,325.23

Finding the Fourth Proportional to 1,497.47, 2,247.80 and 1,325.23

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Solution

The fourth proportional to 1,497.47, 2,247.80 and 1,325.23 is: 1,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.47 : 2,247.80 = 1,325.23 : x
  2. Step 2: Convert to fraction form
    1,497.47/2,247.80 = 1,325.23/x
  3. Step 3: Cross multiply
    1,497.47x = 2,247.80 × 1,325.23
  4. Step 4: Simplify right side
    1,497.47x = 2,978,839.75
  5. Step 5: Solve for x
    x = 2,978,839.75/1,497.47
  6. Step 6: Final answer
    x = 1,989.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.