Home / 1,727.04-2,589.12-904.80

Finding the Fourth Proportional to 1,727.04, 2,589.12 and 904.80

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Solution

The fourth proportional to 1,727.04, 2,589.12 and 904.80 is: 1,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.04 : 2,589.12 = 904.80 : x
  2. Step 2: Convert to fraction form
    1,727.04/2,589.12 = 904.80/x
  3. Step 3: Cross multiply
    1,727.04x = 2,589.12 × 904.80
  4. Step 4: Simplify right side
    1,727.04x = 2,342,635.78
  5. Step 5: Solve for x
    x = 2,342,635.78/1,727.04
  6. Step 6: Final answer
    x = 1,356.45

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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.