Home / 1,728.02-2,591.36-573.50

Finding the Fourth Proportional to 1,728.02, 2,591.36 and 573.50

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Solution

The fourth proportional to 1,728.02, 2,591.36 and 573.50 is: 860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.02 : 2,591.36 = 573.50 : x
  2. Step 2: Convert to fraction form
    1,728.02/2,591.36 = 573.50/x
  3. Step 3: Cross multiply
    1,728.02x = 2,591.36 × 573.50
  4. Step 4: Simplify right side
    1,728.02x = 1,486,144.96
  5. Step 5: Solve for x
    x = 1,486,144.96/1,728.02
  6. Step 6: Final answer
    x = 860.03

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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.