Home / 1,729.02-2,592.26-618.16

Finding the Fourth Proportional to 1,729.02, 2,592.26 and 618.16

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Solution

The fourth proportional to 1,729.02, 2,592.26 and 618.16 is: 926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.02 : 2,592.26 = 618.16 : x
  2. Step 2: Convert to fraction form
    1,729.02/2,592.26 = 618.16/x
  3. Step 3: Cross multiply
    1,729.02x = 2,592.26 × 618.16
  4. Step 4: Simplify right side
    1,729.02x = 1,602,431.44
  5. Step 5: Solve for x
    x = 1,602,431.44/1,729.02
  6. Step 6: Final answer
    x = 926.79

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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.