Home / 3,089.84-4,262.96-1,763.28

Finding the Fourth Proportional to 3,089.84, 4,262.96 and 1,763.28

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Solution

The fourth proportional to 3,089.84, 4,262.96 and 1,763.28 is: 2,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.84 : 4,262.96 = 1,763.28 : x
  2. Step 2: Convert to fraction form
    3,089.84/4,262.96 = 1,763.28/x
  3. Step 3: Cross multiply
    3,089.84x = 4,262.96 × 1,763.28
  4. Step 4: Simplify right side
    3,089.84x = 7,516,796.52
  5. Step 5: Solve for x
    x = 7,516,796.52/3,089.84
  6. Step 6: Final answer
    x = 2,432.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.