Home / 1,724.63-2,582.36-1,177.88

Finding the Fourth Proportional to 1,724.63, 2,582.36 and 1,177.88

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Solution

The fourth proportional to 1,724.63, 2,582.36 and 1,177.88 is: 1,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.63 : 2,582.36 = 1,177.88 : x
  2. Step 2: Convert to fraction form
    1,724.63/2,582.36 = 1,177.88/x
  3. Step 3: Cross multiply
    1,724.63x = 2,582.36 × 1,177.88
  4. Step 4: Simplify right side
    1,724.63x = 3,041,704.31
  5. Step 5: Solve for x
    x = 3,041,704.31/1,724.63
  6. Step 6: Final answer
    x = 1,763.69

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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.